Home / 132,591.20-198,818.40-39,084.80

Finding the Fourth Proportional to 132,591.20, 198,818.40 and 39,084.80

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Solution

The fourth proportional to 132,591.20, 198,818.40 and 39,084.80 is: 58,607.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,591.20 : 198,818.40 = 39,084.80 : x
  2. Step 2: Convert to fraction form
    132,591.20/198,818.40 = 39,084.80/x
  3. Step 3: Cross multiply
    132,591.20x = 198,818.40 × 39,084.80
  4. Step 4: Simplify right side
    132,591.20x = 7,770,777,400.32
  5. Step 5: Solve for x
    x = 7,770,777,400.32/132,591.20
  6. Step 6: Final answer
    x = 58,607.04

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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.