Home / 204,022.82-281,424.42-140,249.90

Finding the Fourth Proportional to 204,022.82, 281,424.42 and 140,249.90

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Solution

The fourth proportional to 204,022.82, 281,424.42 and 140,249.90 is: 193,457.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,022.82 : 281,424.42 = 140,249.90 : x
  2. Step 2: Convert to fraction form
    204,022.82/281,424.42 = 140,249.90/x
  3. Step 3: Cross multiply
    204,022.82x = 281,424.42 × 140,249.90
  4. Step 4: Simplify right side
    204,022.82x = 39,469,745,355.44
  5. Step 5: Solve for x
    x = 39,469,745,355.44/204,022.82
  6. Step 6: Final answer
    x = 193,457.51

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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.