Home / 125,863.06-173,691.45-72,151.30

Finding the Fourth Proportional to 125,863.06, 173,691.45 and 72,151.30

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Solution

The fourth proportional to 125,863.06, 173,691.45 and 72,151.30 is: 99,569.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,863.06 : 173,691.45 = 72,151.30 : x
  2. Step 2: Convert to fraction form
    125,863.06/173,691.45 = 72,151.30/x
  3. Step 3: Cross multiply
    125,863.06x = 173,691.45 × 72,151.30
  4. Step 4: Simplify right side
    125,863.06x = 12,532,063,916.39
  5. Step 5: Solve for x
    x = 12,532,063,916.39/125,863.06
  6. Step 6: Final answer
    x = 99,569.04

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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.