Home / 123,839.30-170,898.18-67,250.66

Finding the Fourth Proportional to 123,839.30, 170,898.18 and 67,250.66

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Solution

The fourth proportional to 123,839.30, 170,898.18 and 67,250.66 is: 92,805.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,839.30 : 170,898.18 = 67,250.66 : x
  2. Step 2: Convert to fraction form
    123,839.30/170,898.18 = 67,250.66/x
  3. Step 3: Cross multiply
    123,839.30x = 170,898.18 × 67,250.66
  4. Step 4: Simplify right side
    123,839.30x = 11,493,015,397.80
  5. Step 5: Solve for x
    x = 11,493,015,397.80/123,839.30
  6. Step 6: Final answer
    x = 92,805.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.