Home / 115,792.20-159,800.94-64,809.36

Finding the Fourth Proportional to 115,792.20, 159,800.94 and 64,809.36

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Solution

The fourth proportional to 115,792.20, 159,800.94 and 64,809.36 is: 89,441.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,792.20 : 159,800.94 = 64,809.36 : x
  2. Step 2: Convert to fraction form
    115,792.20/159,800.94 = 64,809.36/x
  3. Step 3: Cross multiply
    115,792.20x = 159,800.94 × 64,809.36
  4. Step 4: Simplify right side
    115,792.20x = 10,356,596,648.80
  5. Step 5: Solve for x
    x = 10,356,596,648.80/115,792.20
  6. Step 6: Final answer
    x = 89,441.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.