Home / 204,489.90-282,189.15-115,048.62

Finding the Fourth Proportional to 204,489.90, 282,189.15 and 115,048.62

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Solution

The fourth proportional to 204,489.90, 282,189.15 and 115,048.62 is: 158,763.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,489.90 : 282,189.15 = 115,048.62 : x
  2. Step 2: Convert to fraction form
    204,489.90/282,189.15 = 115,048.62/x
  3. Step 3: Cross multiply
    204,489.90x = 282,189.15 × 115,048.62
  4. Step 4: Simplify right side
    204,489.90x = 32,465,472,286.47
  5. Step 5: Solve for x
    x = 32,465,472,286.47/204,489.90
  6. Step 6: Final answer
    x = 158,763.21

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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.