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Finding the Fourth Proportional to 123,536.70, 185,305.05 and 34,793.10

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Solution

The fourth proportional to 123,536.70, 185,305.05 and 34,793.10 is: 52,189.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,536.70 : 185,305.05 = 34,793.10 : x
  2. Step 2: Convert to fraction form
    123,536.70/185,305.05 = 34,793.10/x
  3. Step 3: Cross multiply
    123,536.70x = 185,305.05 × 34,793.10
  4. Step 4: Simplify right side
    123,536.70x = 6,447,337,135.16
  5. Step 5: Solve for x
    x = 6,447,337,135.16/123,536.70
  6. Step 6: Final answer
    x = 52,189.65

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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.