Home / 132,079.44-182,282.20-75,479.84

Finding the Fourth Proportional to 132,079.44, 182,282.20 and 75,479.84

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Solution

The fourth proportional to 132,079.44, 182,282.20 and 75,479.84 is: 104,169.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,079.44 : 182,282.20 = 75,479.84 : x
  2. Step 2: Convert to fraction form
    132,079.44/182,282.20 = 75,479.84/x
  3. Step 3: Cross multiply
    132,079.44x = 182,282.20 × 75,479.84
  4. Step 4: Simplify right side
    132,079.44x = 13,758,631,290.85
  5. Step 5: Solve for x
    x = 13,758,631,290.85/132,079.44
  6. Step 6: Final answer
    x = 104,169.36

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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.