Home / 132,431.68-182,759.55-80,751.82

Finding the Fourth Proportional to 132,431.68, 182,759.55 and 80,751.82

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Solution

The fourth proportional to 132,431.68, 182,759.55 and 80,751.82 is: 111,439.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,431.68 : 182,759.55 = 80,751.82 : x
  2. Step 2: Convert to fraction form
    132,431.68/182,759.55 = 80,751.82/x
  3. Step 3: Cross multiply
    132,431.68x = 182,759.55 × 80,751.82
  4. Step 4: Simplify right side
    132,431.68x = 14,758,166,284.88
  5. Step 5: Solve for x
    x = 14,758,166,284.88/132,431.68
  6. Step 6: Final answer
    x = 111,439.85

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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.