Home / 132,002.20-198,003.30-38,517.40

Finding the Fourth Proportional to 132,002.20, 198,003.30 and 38,517.40

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Solution

The fourth proportional to 132,002.20, 198,003.30 and 38,517.40 is: 57,776.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,002.20 : 198,003.30 = 38,517.40 : x
  2. Step 2: Convert to fraction form
    132,002.20/198,003.30 = 38,517.40/x
  3. Step 3: Cross multiply
    132,002.20x = 198,003.30 × 38,517.40
  4. Step 4: Simplify right side
    132,002.20x = 7,626,572,307.42
  5. Step 5: Solve for x
    x = 7,626,572,307.42/132,002.20
  6. Step 6: Final answer
    x = 57,776.10

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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.