Home / 179,306.07-268,779.40-83,310.72

Finding the Fourth Proportional to 179,306.07, 268,779.40 and 83,310.72

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Solution

The fourth proportional to 179,306.07, 268,779.40 and 83,310.72 is: 124,882.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,306.07 : 268,779.40 = 83,310.72 : x
  2. Step 2: Convert to fraction form
    179,306.07/268,779.40 = 83,310.72/x
  3. Step 3: Cross multiply
    179,306.07x = 268,779.40 × 83,310.72
  4. Step 4: Simplify right side
    179,306.07x = 22,392,205,335.17
  5. Step 5: Solve for x
    x = 22,392,205,335.17/179,306.07
  6. Step 6: Final answer
    x = 124,882.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.