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Finding the Fourth Proportional to 121,630.94, 182,324.37 and 50,456.78

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Solution

The fourth proportional to 121,630.94, 182,324.37 and 50,456.78 is: 75,634.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,630.94 : 182,324.37 = 50,456.78 : x
  2. Step 2: Convert to fraction form
    121,630.94/182,324.37 = 50,456.78/x
  3. Step 3: Cross multiply
    121,630.94x = 182,324.37 × 50,456.78
  4. Step 4: Simplify right side
    121,630.94x = 9,199,500,625.73
  5. Step 5: Solve for x
    x = 9,199,500,625.73/121,630.94
  6. Step 6: Final answer
    x = 75,634.54

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1.5x scale

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.