Home / 136,983.72-205,517.10-97,079.85

Finding the Fourth Proportional to 136,983.72, 205,517.10 and 97,079.85

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Solution

The fourth proportional to 136,983.72, 205,517.10 and 97,079.85 is: 145,649.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,983.72 : 205,517.10 = 97,079.85 : x
  2. Step 2: Convert to fraction form
    136,983.72/205,517.10 = 97,079.85/x
  3. Step 3: Cross multiply
    136,983.72x = 205,517.10 × 97,079.85
  4. Step 4: Simplify right side
    136,983.72x = 19,951,569,240.44
  5. Step 5: Solve for x
    x = 19,951,569,240.44/136,983.72
  6. Step 6: Final answer
    x = 145,649.20

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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.