Home / 218,979.90-327,951.45-134,999.10

Finding the Fourth Proportional to 218,979.90, 327,951.45 and 134,999.10

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Solution

The fourth proportional to 218,979.90, 327,951.45 and 134,999.10 is: 202,179.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,979.90 : 327,951.45 = 134,999.10 : x
  2. Step 2: Convert to fraction form
    218,979.90/327,951.45 = 134,999.10/x
  3. Step 3: Cross multiply
    218,979.90x = 327,951.45 × 134,999.10
  4. Step 4: Simplify right side
    218,979.90x = 44,273,150,593.70
  5. Step 5: Solve for x
    x = 44,273,150,593.70/218,979.90
  6. Step 6: Final answer
    x = 202,179.06

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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.