Home / 132,131.38-198,252.60-82,253.20

Finding the Fourth Proportional to 132,131.38, 198,252.60 and 82,253.20

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Solution

The fourth proportional to 132,131.38, 198,252.60 and 82,253.20 is: 123,414.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,131.38 : 198,252.60 = 82,253.20 : x
  2. Step 2: Convert to fraction form
    132,131.38/198,252.60 = 82,253.20/x
  3. Step 3: Cross multiply
    132,131.38x = 198,252.60 × 82,253.20
  4. Step 4: Simplify right side
    132,131.38x = 16,306,910,758.32
  5. Step 5: Solve for x
    x = 16,306,910,758.32/132,131.38
  6. Step 6: Final answer
    x = 123,414.37

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1.5x scale

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.