Home / 253,171.20-379,902.60-95,512.80

Finding the Fourth Proportional to 253,171.20, 379,902.60 and 95,512.80

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Solution

The fourth proportional to 253,171.20, 379,902.60 and 95,512.80 is: 143,324.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,171.20 : 379,902.60 = 95,512.80 : x
  2. Step 2: Convert to fraction form
    253,171.20/379,902.60 = 95,512.80/x
  3. Step 3: Cross multiply
    253,171.20x = 379,902.60 × 95,512.80
  4. Step 4: Simplify right side
    253,171.20x = 36,285,561,053.28
  5. Step 5: Solve for x
    x = 36,285,561,053.28/253,171.20
  6. Step 6: Final answer
    x = 143,324.21

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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.