Home / 137,883.20-206,778.24-52,473.78

Finding the Fourth Proportional to 137,883.20, 206,778.24 and 52,473.78

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Solution

The fourth proportional to 137,883.20, 206,778.24 and 52,473.78 is: 78,692.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,883.20 : 206,778.24 = 52,473.78 : x
  2. Step 2: Convert to fraction form
    137,883.20/206,778.24 = 52,473.78/x
  3. Step 3: Cross multiply
    137,883.20x = 206,778.24 × 52,473.78
  4. Step 4: Simplify right side
    137,883.20x = 10,850,435,874.55
  5. Step 5: Solve for x
    x = 10,850,435,874.55/137,883.20
  6. Step 6: Final answer
    x = 78,692.95

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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.