Home / 90,882.53-136,402.56-90,672.38

Finding the Fourth Proportional to 90,882.53, 136,402.56 and 90,672.38

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Solution

The fourth proportional to 90,882.53, 136,402.56 and 90,672.38 is: 136,087.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,882.53 : 136,402.56 = 90,672.38 : x
  2. Step 2: Convert to fraction form
    90,882.53/136,402.56 = 90,672.38/x
  3. Step 3: Cross multiply
    90,882.53x = 136,402.56 × 90,672.38
  4. Step 4: Simplify right side
    90,882.53x = 12,367,944,753.29
  5. Step 5: Solve for x
    x = 12,367,944,753.29/90,882.53
  6. Step 6: Final answer
    x = 136,087.15

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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.