Home / 136,948.38-205,252.92-77,604.12

Finding the Fourth Proportional to 136,948.38, 205,252.92 and 77,604.12

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Solution

The fourth proportional to 136,948.38, 205,252.92 and 77,604.12 is: 116,310.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,948.38 : 205,252.92 = 77,604.12 : x
  2. Step 2: Convert to fraction form
    136,948.38/205,252.92 = 77,604.12/x
  3. Step 3: Cross multiply
    136,948.38x = 205,252.92 × 77,604.12
  4. Step 4: Simplify right side
    136,948.38x = 15,928,472,234.03
  5. Step 5: Solve for x
    x = 15,928,472,234.03/136,948.38
  6. Step 6: Final answer
    x = 116,310.04

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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.