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Finding the Fourth Proportional to 178,593.66, 267,837.03 and 71,943.39

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Solution

The fourth proportional to 178,593.66, 267,837.03 and 71,943.39 is: 107,893.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,593.66 : 267,837.03 = 71,943.39 : x
  2. Step 2: Convert to fraction form
    178,593.66/267,837.03 = 71,943.39/x
  3. Step 3: Cross multiply
    178,593.66x = 267,837.03 × 71,943.39
  4. Step 4: Simplify right side
    178,593.66x = 19,269,104,755.18
  5. Step 5: Solve for x
    x = 19,269,104,755.18/178,593.66
  6. Step 6: Final answer
    x = 107,893.55

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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.