Home / 91,517.76-137,276.88-60,126.12

Finding the Fourth Proportional to 91,517.76, 137,276.88 and 60,126.12

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Solution

The fourth proportional to 91,517.76, 137,276.88 and 60,126.12 is: 90,189.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,517.76 : 137,276.88 = 60,126.12 : x
  2. Step 2: Convert to fraction form
    91,517.76/137,276.88 = 60,126.12/x
  3. Step 3: Cross multiply
    91,517.76x = 137,276.88 × 60,126.12
  4. Step 4: Simplify right side
    91,517.76x = 8,253,926,160.11
  5. Step 5: Solve for x
    x = 8,253,926,160.11/91,517.76
  6. Step 6: Final answer
    x = 90,189.34

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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.