Home / 171,948.10-258,116.55-132,679.30

Finding the Fourth Proportional to 171,948.10, 258,116.55 and 132,679.30

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Solution

The fourth proportional to 171,948.10, 258,116.55 and 132,679.30 is: 199,168.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,948.10 : 258,116.55 = 132,679.30 : x
  2. Step 2: Convert to fraction form
    171,948.10/258,116.55 = 132,679.30/x
  3. Step 3: Cross multiply
    171,948.10x = 258,116.55 × 132,679.30
  4. Step 4: Simplify right side
    171,948.10x = 34,246,723,172.42
  5. Step 5: Solve for x
    x = 34,246,723,172.42/171,948.10
  6. Step 6: Final answer
    x = 199,168.95

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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.