Home / 281,951.17-422,757.85-89,742.57

Finding the Fourth Proportional to 281,951.17, 422,757.85 and 89,742.57

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Solution

The fourth proportional to 281,951.17, 422,757.85 and 89,742.57 is: 134,560.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,951.17 : 422,757.85 = 89,742.57 : x
  2. Step 2: Convert to fraction form
    281,951.17/422,757.85 = 89,742.57/x
  3. Step 3: Cross multiply
    281,951.17x = 422,757.85 × 89,742.57
  4. Step 4: Simplify right side
    281,951.17x = 37,939,377,017.86
  5. Step 5: Solve for x
    x = 37,939,377,017.86/281,951.17
  6. Step 6: Final answer
    x = 134,560.10

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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.