Home / 91,747.76-137,620.92-25,187.64

Finding the Fourth Proportional to 91,747.76, 137,620.92 and 25,187.64

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Solution

The fourth proportional to 91,747.76, 137,620.92 and 25,187.64 is: 37,781.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,747.76 : 137,620.92 = 25,187.64 : x
  2. Step 2: Convert to fraction form
    91,747.76/137,620.92 = 25,187.64/x
  3. Step 3: Cross multiply
    91,747.76x = 137,620.92 × 25,187.64
  4. Step 4: Simplify right side
    91,747.76x = 3,466,346,189.43
  5. Step 5: Solve for x
    x = 3,466,346,189.43/91,747.76
  6. Step 6: Final answer
    x = 37,781.26

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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.