Home / 121,515.62-182,278.89-37,269.65

Finding the Fourth Proportional to 121,515.62, 182,278.89 and 37,269.65

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Solution

The fourth proportional to 121,515.62, 182,278.89 and 37,269.65 is: 55,906.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,515.62 : 182,278.89 = 37,269.65 : x
  2. Step 2: Convert to fraction form
    121,515.62/182,278.89 = 37,269.65/x
  3. Step 3: Cross multiply
    121,515.62x = 182,278.89 × 37,269.65
  4. Step 4: Simplify right side
    121,515.62x = 6,793,469,521.29
  5. Step 5: Solve for x
    x = 6,793,469,521.29/121,515.62
  6. Step 6: Final answer
    x = 55,906.14

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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.