Home / 136,414.20-204,275.70-108,766.20

Finding the Fourth Proportional to 136,414.20, 204,275.70 and 108,766.20

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Solution

The fourth proportional to 136,414.20, 204,275.70 and 108,766.20 is: 162,873.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,414.20 : 204,275.70 = 108,766.20 : x
  2. Step 2: Convert to fraction form
    136,414.20/204,275.70 = 108,766.20/x
  3. Step 3: Cross multiply
    136,414.20x = 204,275.70 × 108,766.20
  4. Step 4: Simplify right side
    136,414.20x = 22,218,291,641.34
  5. Step 5: Solve for x
    x = 22,218,291,641.34/136,414.20
  6. Step 6: Final answer
    x = 162,873.75

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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.