Promissory Installment Note (with Balloon Payment) - Pennsylvania - Business Document Form - Download Online. Here's the information you'll need to have handy to complete your secured promissory note, installment with balloon final payment.A balloon payment is due at the end equal to the purchase price to acquire ownership of the property. Set loan terms with larger payments at the end. Create a secured note using the Pennsylvania Secured Promissory Note Template (download links on this page). Promissory Note With Balloon Payment Template Fill Online Printable Fillable Blank pdfFiller. Why Are Balloon Payments Good for Mortgage Notes Note Investor. Lender shall provide Borrower with a final written statement of monies due prior to the due date of the balloon payment.