Home / 204,517.97-282,246.42-122,871.20

Finding the Fourth Proportional to 204,517.97, 282,246.42 and 122,871.20

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Solution

The fourth proportional to 204,517.97, 282,246.42 and 122,871.20 is: 169,569.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,517.97 : 282,246.42 = 122,871.20 : x
  2. Step 2: Convert to fraction form
    204,517.97/282,246.42 = 122,871.20/x
  3. Step 3: Cross multiply
    204,517.97x = 282,246.42 × 122,871.20
  4. Step 4: Simplify right side
    204,517.97x = 34,679,954,909.87
  5. Step 5: Solve for x
    x = 34,679,954,909.87/204,517.97
  6. Step 6: Final answer
    x = 169,569.24

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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.