Home / 132,002.30-198,003.45-84,763.10

Finding the Fourth Proportional to 132,002.30, 198,003.45 and 84,763.10

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Solution

The fourth proportional to 132,002.30, 198,003.45 and 84,763.10 is: 127,144.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,002.30 : 198,003.45 = 84,763.10 : x
  2. Step 2: Convert to fraction form
    132,002.30/198,003.45 = 84,763.10/x
  3. Step 3: Cross multiply
    132,002.30x = 198,003.45 × 84,763.10
  4. Step 4: Simplify right side
    132,002.30x = 16,783,386,232.70
  5. Step 5: Solve for x
    x = 16,783,386,232.70/132,002.30
  6. Step 6: Final answer
    x = 127,144.65

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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.