Home / 204,123.20-281,565.60-143,587.04

Finding the Fourth Proportional to 204,123.20, 281,565.60 and 143,587.04

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Solution

The fourth proportional to 204,123.20, 281,565.60 and 143,587.04 is: 198,062.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,123.20 : 281,565.60 = 143,587.04 : x
  2. Step 2: Convert to fraction form
    204,123.20/281,565.60 = 143,587.04/x
  3. Step 3: Cross multiply
    204,123.20x = 281,565.60 × 143,587.04
  4. Step 4: Simplify right side
    204,123.20x = 40,429,171,069.82
  5. Step 5: Solve for x
    x = 40,429,171,069.82/204,123.20
  6. Step 6: Final answer
    x = 198,062.60

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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.