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Finding the Fourth Proportional to 161,410.46, 222,754.66 and 89,791.88

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Solution

The fourth proportional to 161,410.46, 222,754.66 and 89,791.88 is: 123,917.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,410.46 : 222,754.66 = 89,791.88 : x
  2. Step 2: Convert to fraction form
    161,410.46/222,754.66 = 89,791.88/x
  3. Step 3: Cross multiply
    161,410.46x = 222,754.66 × 89,791.88
  4. Step 4: Simplify right side
    161,410.46x = 20,001,558,361.91
  5. Step 5: Solve for x
    x = 20,001,558,361.91/161,410.46
  6. Step 6: Final answer
    x = 123,917.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.