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Finding the Fourth Proportional to 91,375.44, 137,063.88 and 32,197.56

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Solution

The fourth proportional to 91,375.44, 137,063.88 and 32,197.56 is: 48,296.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,375.44 : 137,063.88 = 32,197.56 : x
  2. Step 2: Convert to fraction form
    91,375.44/137,063.88 = 32,197.56/x
  3. Step 3: Cross multiply
    91,375.44x = 137,063.88 × 32,197.56
  4. Step 4: Simplify right side
    91,375.44x = 4,413,122,500.13
  5. Step 5: Solve for x
    x = 4,413,122,500.13/91,375.44
  6. Step 6: Final answer
    x = 48,296.59

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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.