Home / 198,909.38-298,244.79-134,946.11

Finding the Fourth Proportional to 198,909.38, 298,244.79 and 134,946.11

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Solution

The fourth proportional to 198,909.38, 298,244.79 and 134,946.11 is: 202,338.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,909.38 : 298,244.79 = 134,946.11 : x
  2. Step 2: Convert to fraction form
    198,909.38/298,244.79 = 134,946.11/x
  3. Step 3: Cross multiply
    198,909.38x = 298,244.79 × 134,946.11
  4. Step 4: Simplify right side
    198,909.38x = 40,246,972,747.04
  5. Step 5: Solve for x
    x = 40,246,972,747.04/198,909.38
  6. Step 6: Final answer
    x = 202,338.24

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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.