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Finding the Fourth Proportional to 167,622, 231,324.84 and 92,168.88

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Solution

The fourth proportional to 167,622, 231,324.84 and 92,168.88 is: 127,196.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,622 : 231,324.84 = 92,168.88 : x
  2. Step 2: Convert to fraction form
    167,622/231,324.84 = 92,168.88/x
  3. Step 3: Cross multiply
    167,622x = 231,324.84 × 92,168.88
  4. Step 4: Simplify right side
    167,622x = 21,320,951,418.98
  5. Step 5: Solve for x
    x = 21,320,951,418.98/167,622
  6. Step 6: Final answer
    x = 127,196.62

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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.