Home / 137,747.20-206,540.52-53,408.83

Finding the Fourth Proportional to 137,747.20, 206,540.52 and 53,408.83

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Solution

The fourth proportional to 137,747.20, 206,540.52 and 53,408.83 is: 80,082.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,747.20 : 206,540.52 = 53,408.83 : x
  2. Step 2: Convert to fraction form
    137,747.20/206,540.52 = 53,408.83/x
  3. Step 3: Cross multiply
    137,747.20x = 206,540.52 × 53,408.83
  4. Step 4: Simplify right side
    137,747.20x = 11,031,087,770.10
  5. Step 5: Solve for x
    x = 11,031,087,770.10/137,747.20
  6. Step 6: Final answer
    x = 80,082.12

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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.