Home / 132,377.40-182,680.60-71,947.88

Finding the Fourth Proportional to 132,377.40, 182,680.60 and 71,947.88

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Solution

The fourth proportional to 132,377.40, 182,680.60 and 71,947.88 is: 99,287.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,377.40 : 182,680.60 = 71,947.88 : x
  2. Step 2: Convert to fraction form
    132,377.40/182,680.60 = 71,947.88/x
  3. Step 3: Cross multiply
    132,377.40x = 182,680.60 × 71,947.88
  4. Step 4: Simplify right side
    132,377.40x = 13,143,481,887.13
  5. Step 5: Solve for x
    x = 13,143,481,887.13/132,377.40
  6. Step 6: Final answer
    x = 99,287.96

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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.