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Finding the Fourth Proportional to 67,244.35, 100,837.37 and 22,859.20

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Solution

The fourth proportional to 67,244.35, 100,837.37 and 22,859.20 is: 34,278.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,244.35 : 100,837.37 = 22,859.20 : x
  2. Step 2: Convert to fraction form
    67,244.35/100,837.37 = 22,859.20/x
  3. Step 3: Cross multiply
    67,244.35x = 100,837.37 × 22,859.20
  4. Step 4: Simplify right side
    67,244.35x = 2,305,061,494.01
  5. Step 5: Solve for x
    x = 2,305,061,494.01/67,244.35
  6. Step 6: Final answer
    x = 34,278.89

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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.