Home / 204,142.80-281,732.82-122,474.11

Finding the Fourth Proportional to 204,142.80, 281,732.82 and 122,474.11

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Solution

The fourth proportional to 204,142.80, 281,732.82 and 122,474.11 is: 169,023.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,142.80 : 281,732.82 = 122,474.11 : x
  2. Step 2: Convert to fraction form
    204,142.80/281,732.82 = 122,474.11/x
  3. Step 3: Cross multiply
    204,142.80x = 281,732.82 × 122,474.11
  4. Step 4: Simplify right side
    204,142.80x = 34,504,976,387.29
  5. Step 5: Solve for x
    x = 34,504,976,387.29/204,142.80
  6. Step 6: Final answer
    x = 169,023.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.