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Finding the Fourth Proportional to 135,468.80, 203,203.20 and 82,324.70

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Solution

The fourth proportional to 135,468.80, 203,203.20 and 82,324.70 is: 123,487.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,468.80 : 203,203.20 = 82,324.70 : x
  2. Step 2: Convert to fraction form
    135,468.80/203,203.20 = 82,324.70/x
  3. Step 3: Cross multiply
    135,468.80x = 203,203.20 × 82,324.70
  4. Step 4: Simplify right side
    135,468.80x = 16,728,642,479.04
  5. Step 5: Solve for x
    x = 16,728,642,479.04/135,468.80
  6. Step 6: Final answer
    x = 123,487.05

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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.