Home / 138,332.20-207,498.30-136,363.90

Finding the Fourth Proportional to 138,332.20, 207,498.30 and 136,363.90

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Solution

The fourth proportional to 138,332.20, 207,498.30 and 136,363.90 is: 204,545.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,332.20 : 207,498.30 = 136,363.90 : x
  2. Step 2: Convert to fraction form
    138,332.20/207,498.30 = 136,363.90/x
  3. Step 3: Cross multiply
    138,332.20x = 207,498.30 × 136,363.90
  4. Step 4: Simplify right side
    138,332.20x = 28,295,277,431.37
  5. Step 5: Solve for x
    x = 28,295,277,431.37/138,332.20
  6. Step 6: Final answer
    x = 204,545.85

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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.