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Finding the Fourth Proportional to 125,229.52, 187,925.72 and 54,221.50

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Solution

The fourth proportional to 125,229.52, 187,925.72 and 54,221.50 is: 81,367.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,229.52 : 187,925.72 = 54,221.50 : x
  2. Step 2: Convert to fraction form
    125,229.52/187,925.72 = 54,221.50/x
  3. Step 3: Cross multiply
    125,229.52x = 187,925.72 × 54,221.50
  4. Step 4: Simplify right side
    125,229.52x = 10,189,614,695.78
  5. Step 5: Solve for x
    x = 10,189,614,695.78/125,229.52
  6. Step 6: Final answer
    x = 81,367.51

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