Home / 231,193.60-346,721.28-120,325.12

Finding the Fourth Proportional to 231,193.60, 346,721.28 and 120,325.12

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Solution

The fourth proportional to 231,193.60, 346,721.28 and 120,325.12 is: 180,451.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,193.60 : 346,721.28 = 120,325.12 : x
  2. Step 2: Convert to fraction form
    231,193.60/346,721.28 = 120,325.12/x
  3. Step 3: Cross multiply
    231,193.60x = 346,721.28 × 120,325.12
  4. Step 4: Simplify right side
    231,193.60x = 41,719,279,622.55
  5. Step 5: Solve for x
    x = 41,719,279,622.55/231,193.60
  6. Step 6: Final answer
    x = 180,451.71

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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.