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Finding the Fourth Proportional to 137,679.84, 206,500.24 and 44,173.44

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Solution

The fourth proportional to 137,679.84, 206,500.24 and 44,173.44 is: 66,253.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,679.84 : 206,500.24 = 44,173.44 : x
  2. Step 2: Convert to fraction form
    137,679.84/206,500.24 = 44,173.44/x
  3. Step 3: Cross multiply
    137,679.84x = 206,500.24 × 44,173.44
  4. Step 4: Simplify right side
    137,679.84x = 9,121,825,961.63
  5. Step 5: Solve for x
    x = 9,121,825,961.63/137,679.84
  6. Step 6: Final answer
    x = 66,253.90

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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.