Home / 131,554.92-197,382.10-79,001.04

Finding the Fourth Proportional to 131,554.92, 197,382.10 and 79,001.04

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Solution

The fourth proportional to 131,554.92, 197,382.10 and 79,001.04 is: 118,531.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,554.92 : 197,382.10 = 79,001.04 : x
  2. Step 2: Convert to fraction form
    131,554.92/197,382.10 = 79,001.04/x
  3. Step 3: Cross multiply
    131,554.92x = 197,382.10 × 79,001.04
  4. Step 4: Simplify right side
    131,554.92x = 15,593,391,177.38
  5. Step 5: Solve for x
    x = 15,593,391,177.38/131,554.92
  6. Step 6: Final answer
    x = 118,531.42

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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.