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Finding the Fourth Proportional to 88,751.52, 133,123.86 and 22,191.66

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Solution

The fourth proportional to 88,751.52, 133,123.86 and 22,191.66 is: 33,286.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,751.52 : 133,123.86 = 22,191.66 : x
  2. Step 2: Convert to fraction form
    88,751.52/133,123.86 = 22,191.66/x
  3. Step 3: Cross multiply
    88,751.52x = 133,123.86 × 22,191.66
  4. Step 4: Simplify right side
    88,751.52x = 2,954,239,439.01
  5. Step 5: Solve for x
    x = 2,954,239,439.01/88,751.52
  6. Step 6: Final answer
    x = 33,286.63

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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.