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Finding the Fourth Proportional to 171,903.60, 258,049.80 and 132,634.80

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Solution

The fourth proportional to 171,903.60, 258,049.80 and 132,634.80 is: 199,102.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,903.60 : 258,049.80 = 132,634.80 : x
  2. Step 2: Convert to fraction form
    171,903.60/258,049.80 = 132,634.80/x
  3. Step 3: Cross multiply
    171,903.60x = 258,049.80 × 132,634.80
  4. Step 4: Simplify right side
    171,903.60x = 34,226,383,613.04
  5. Step 5: Solve for x
    x = 34,226,383,613.04/171,903.60
  6. Step 6: Final answer
    x = 199,102.19

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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.