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Finding the Fourth Proportional to 169,512.71, 254,269.04 and 132,100.77

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Solution

The fourth proportional to 169,512.71, 254,269.04 and 132,100.77 is: 198,151.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,512.71 : 254,269.04 = 132,100.77 : x
  2. Step 2: Convert to fraction form
    169,512.71/254,269.04 = 132,100.77/x
  3. Step 3: Cross multiply
    169,512.71x = 254,269.04 × 132,100.77
  4. Step 4: Simplify right side
    169,512.71x = 33,589,135,310.66
  5. Step 5: Solve for x
    x = 33,589,135,310.66/169,512.71
  6. Step 6: Final answer
    x = 198,151.14

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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.