Home / 115,585.92-159,503.04-65,292.16

Finding the Fourth Proportional to 115,585.92, 159,503.04 and 65,292.16

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Solution

The fourth proportional to 115,585.92, 159,503.04 and 65,292.16 is: 90,100.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,585.92 : 159,503.04 = 65,292.16 : x
  2. Step 2: Convert to fraction form
    115,585.92/159,503.04 = 65,292.16/x
  3. Step 3: Cross multiply
    115,585.92x = 159,503.04 × 65,292.16
  4. Step 4: Simplify right side
    115,585.92x = 10,414,298,008.17
  5. Step 5: Solve for x
    x = 10,414,298,008.17/115,585.92
  6. Step 6: Final answer
    x = 90,100.06

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1.5x scale

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.