Home / 129,267.71-193,901.61-40,528.13

Finding the Fourth Proportional to 129,267.71, 193,901.61 and 40,528.13

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Solution

The fourth proportional to 129,267.71, 193,901.61 and 40,528.13 is: 60,792.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,267.71 : 193,901.61 = 40,528.13 : x
  2. Step 2: Convert to fraction form
    129,267.71/193,901.61 = 40,528.13/x
  3. Step 3: Cross multiply
    129,267.71x = 193,901.61 × 40,528.13
  4. Step 4: Simplify right side
    129,267.71x = 7,858,469,809.27
  5. Step 5: Solve for x
    x = 7,858,469,809.27/129,267.71
  6. Step 6: Final answer
    x = 60,792.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.