Home / 125,154.71-172,712.46-67,792.70

Finding the Fourth Proportional to 125,154.71, 172,712.46 and 67,792.70

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Solution

The fourth proportional to 125,154.71, 172,712.46 and 67,792.70 is: 93,553.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,154.71 : 172,712.46 = 67,792.70 : x
  2. Step 2: Convert to fraction form
    125,154.71/172,712.46 = 67,792.70/x
  3. Step 3: Cross multiply
    125,154.71x = 172,712.46 × 67,792.70
  4. Step 4: Simplify right side
    125,154.71x = 11,708,643,123.48
  5. Step 5: Solve for x
    x = 11,708,643,123.48/125,154.71
  6. Step 6: Final answer
    x = 93,553.36

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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.