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Finding the Fourth Proportional to 45,202.73, 67,757.03 and 15,194.66

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Solution

The fourth proportional to 45,202.73, 67,757.03 and 15,194.66 is: 22,776.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,202.73 : 67,757.03 = 15,194.66 : x
  2. Step 2: Convert to fraction form
    45,202.73/67,757.03 = 15,194.66/x
  3. Step 3: Cross multiply
    45,202.73x = 67,757.03 × 15,194.66
  4. Step 4: Simplify right side
    45,202.73x = 1,029,544,618.70
  5. Step 5: Solve for x
    x = 1,029,544,618.70/45,202.73
  6. Step 6: Final answer
    x = 22,776.16

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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.