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Finding the Fourth Proportional to 121,589.58, 182,377.49 and 32,836.40

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Solution

The fourth proportional to 121,589.58, 182,377.49 and 32,836.40 is: 49,252.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,589.58 : 182,377.49 = 32,836.40 : x
  2. Step 2: Convert to fraction form
    121,589.58/182,377.49 = 32,836.40/x
  3. Step 3: Cross multiply
    121,589.58x = 182,377.49 × 32,836.40
  4. Step 4: Simplify right side
    121,589.58x = 5,988,619,136.57
  5. Step 5: Solve for x
    x = 5,988,619,136.57/121,589.58
  6. Step 6: Final answer
    x = 49,252.73

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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.