Home / 132,488.58-182,780.28-75,115.80

Finding the Fourth Proportional to 132,488.58, 182,780.28 and 75,115.80

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Solution

The fourth proportional to 132,488.58, 182,780.28 and 75,115.80 is: 103,629.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,488.58 : 182,780.28 = 75,115.80 : x
  2. Step 2: Convert to fraction form
    132,488.58/182,780.28 = 75,115.80/x
  3. Step 3: Cross multiply
    132,488.58x = 182,780.28 × 75,115.80
  4. Step 4: Simplify right side
    132,488.58x = 13,729,686,956.42
  5. Step 5: Solve for x
    x = 13,729,686,956.42/132,488.58
  6. Step 6: Final answer
    x = 103,629.21

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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.