Home / 149,636.22-206,311.20-95,832.78

Finding the Fourth Proportional to 149,636.22, 206,311.20 and 95,832.78

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Solution

The fourth proportional to 149,636.22, 206,311.20 and 95,832.78 is: 132,129.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,636.22 : 206,311.20 = 95,832.78 : x
  2. Step 2: Convert to fraction form
    149,636.22/206,311.20 = 95,832.78/x
  3. Step 3: Cross multiply
    149,636.22x = 206,311.20 × 95,832.78
  4. Step 4: Simplify right side
    149,636.22x = 19,771,375,841.14
  5. Step 5: Solve for x
    x = 19,771,375,841.14/149,636.22
  6. Step 6: Final answer
    x = 132,129.61

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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.