Home / 132,198.67-182,436.06-71,769.43

Finding the Fourth Proportional to 132,198.67, 182,436.06 and 71,769.43

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Solution

The fourth proportional to 132,198.67, 182,436.06 and 71,769.43 is: 99,042.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,198.67 : 182,436.06 = 71,769.43 : x
  2. Step 2: Convert to fraction form
    132,198.67/182,436.06 = 71,769.43/x
  3. Step 3: Cross multiply
    132,198.67x = 182,436.06 × 71,769.43
  4. Step 4: Simplify right side
    132,198.67x = 13,093,332,037.65
  5. Step 5: Solve for x
    x = 13,093,332,037.65/132,198.67
  6. Step 6: Final answer
    x = 99,042.84

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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.