Home / 91,474.30-137,171.13-29,151.10

Finding the Fourth Proportional to 91,474.30, 137,171.13 and 29,151.10

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Solution

The fourth proportional to 91,474.30, 137,171.13 and 29,151.10 is: 43,713.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,474.30 : 137,171.13 = 29,151.10 : x
  2. Step 2: Convert to fraction form
    91,474.30/137,171.13 = 29,151.10/x
  3. Step 3: Cross multiply
    91,474.30x = 137,171.13 × 29,151.10
  4. Step 4: Simplify right side
    91,474.30x = 3,998,689,327.74
  5. Step 5: Solve for x
    x = 3,998,689,327.74/91,474.30
  6. Step 6: Final answer
    x = 43,713.80

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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.