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Finding the Fourth Proportional to 121,511.69, 182,250.74 and 32,770.55

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Solution

The fourth proportional to 121,511.69, 182,250.74 and 32,770.55 is: 49,151.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,511.69 : 182,250.74 = 32,770.55 : x
  2. Step 2: Convert to fraction form
    121,511.69/182,250.74 = 32,770.55/x
  3. Step 3: Cross multiply
    121,511.69x = 182,250.74 × 32,770.55
  4. Step 4: Simplify right side
    121,511.69x = 5,972,456,823.85
  5. Step 5: Solve for x
    x = 5,972,456,823.85/121,511.69
  6. Step 6: Final answer
    x = 49,151.29

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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.