Home / 204,000.89-281,517.50-113,355.21

Finding the Fourth Proportional to 204,000.89, 281,517.50 and 113,355.21

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Solution

The fourth proportional to 204,000.89, 281,517.50 and 113,355.21 is: 156,428.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,000.89 : 281,517.50 = 113,355.21 : x
  2. Step 2: Convert to fraction form
    204,000.89/281,517.50 = 113,355.21/x
  3. Step 3: Cross multiply
    204,000.89x = 281,517.50 × 113,355.21
  4. Step 4: Simplify right side
    204,000.89x = 31,911,475,614.56
  5. Step 5: Solve for x
    x = 31,911,475,614.56/204,000.89
  6. Step 6: Final answer
    x = 156,428.12

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1.5x scale

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.