Home / 132,474.80-182,794.92-78,758.84

Finding the Fourth Proportional to 132,474.80, 182,794.92 and 78,758.84

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Solution

The fourth proportional to 132,474.80, 182,794.92 and 78,758.84 is: 108,675.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,474.80 : 182,794.92 = 78,758.84 : x
  2. Step 2: Convert to fraction form
    132,474.80/182,794.92 = 78,758.84/x
  3. Step 3: Cross multiply
    132,474.80x = 182,794.92 × 78,758.84
  4. Step 4: Simplify right side
    132,474.80x = 14,396,715,857.09
  5. Step 5: Solve for x
    x = 14,396,715,857.09/132,474.80
  6. Step 6: Final answer
    x = 108,675.13

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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.