Home / 91,702.05-137,543.87-25,148.88

Finding the Fourth Proportional to 91,702.05, 137,543.87 and 25,148.88

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Solution

The fourth proportional to 91,702.05, 137,543.87 and 25,148.88 is: 37,720.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,702.05 : 137,543.87 = 25,148.88 : x
  2. Step 2: Convert to fraction form
    91,702.05/137,543.87 = 25,148.88/x
  3. Step 3: Cross multiply
    91,702.05x = 137,543.87 × 25,148.88
  4. Step 4: Simplify right side
    91,702.05x = 3,459,073,467.90
  5. Step 5: Solve for x
    x = 3,459,073,467.90/91,702.05
  6. Step 6: Final answer
    x = 37,720.79

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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.