Home / 168,286.20-252,122.10-102,545.40

Finding the Fourth Proportional to 168,286.20, 252,122.10 and 102,545.40

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Solution

The fourth proportional to 168,286.20, 252,122.10 and 102,545.40 is: 153,630.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,286.20 : 252,122.10 = 102,545.40 : x
  2. Step 2: Convert to fraction form
    168,286.20/252,122.10 = 102,545.40/x
  3. Step 3: Cross multiply
    168,286.20x = 252,122.10 × 102,545.40
  4. Step 4: Simplify right side
    168,286.20x = 25,853,961,593.34
  5. Step 5: Solve for x
    x = 25,853,961,593.34/168,286.20
  6. Step 6: Final answer
    x = 153,630.91

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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.