Home / 132,065.20-198,000.60-89,839.90

Finding the Fourth Proportional to 132,065.20, 198,000.60 and 89,839.90

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Solution

The fourth proportional to 132,065.20, 198,000.60 and 89,839.90 is: 134,693.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,065.20 : 198,000.60 = 89,839.90 : x
  2. Step 2: Convert to fraction form
    132,065.20/198,000.60 = 89,839.90/x
  3. Step 3: Cross multiply
    132,065.20x = 198,000.60 × 89,839.90
  4. Step 4: Simplify right side
    132,065.20x = 17,788,354,103.94
  5. Step 5: Solve for x
    x = 17,788,354,103.94/132,065.20
  6. Step 6: Final answer
    x = 134,693.73

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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.