Home / 132,418.20-198,627.30-131,640.60

Finding the Fourth Proportional to 132,418.20, 198,627.30 and 131,640.60

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Solution

The fourth proportional to 132,418.20, 198,627.30 and 131,640.60 is: 197,460.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,418.20 : 198,627.30 = 131,640.60 : x
  2. Step 2: Convert to fraction form
    132,418.20/198,627.30 = 131,640.60/x
  3. Step 3: Cross multiply
    132,418.20x = 198,627.30 × 131,640.60
  4. Step 4: Simplify right side
    132,418.20x = 26,147,416,948.38
  5. Step 5: Solve for x
    x = 26,147,416,948.38/132,418.20
  6. Step 6: Final answer
    x = 197,460.90

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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.