Home / 132,375.40-182,677.84-71,945.88

Finding the Fourth Proportional to 132,375.40, 182,677.84 and 71,945.88

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Solution

The fourth proportional to 132,375.40, 182,677.84 and 71,945.88 is: 99,285.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,375.40 : 182,677.84 = 71,945.88 : x
  2. Step 2: Convert to fraction form
    132,375.40/182,677.84 = 71,945.88/x
  3. Step 3: Cross multiply
    132,375.40x = 182,677.84 × 71,945.88
  4. Step 4: Simplify right side
    132,375.40x = 13,142,917,955.30
  5. Step 5: Solve for x
    x = 13,142,917,955.30/132,375.40
  6. Step 6: Final answer
    x = 99,285.20

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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.