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Finding the Fourth Proportional to 167,733, 231,460.92 and 91,251.36

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Solution

The fourth proportional to 167,733, 231,460.92 and 91,251.36 is: 125,921.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,733 : 231,460.92 = 91,251.36 : x
  2. Step 2: Convert to fraction form
    167,733/231,460.92 = 91,251.36/x
  3. Step 3: Cross multiply
    167,733x = 231,460.92 × 91,251.36
  4. Step 4: Simplify right side
    167,733x = 21,121,123,736.85
  5. Step 5: Solve for x
    x = 21,121,123,736.85/167,733
  6. Step 6: Final answer
    x = 125,921.10

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1.5x scale

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.