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Finding the Fourth Proportional to 121,520.69, 182,281.04 and 38,414.69

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Solution

The fourth proportional to 121,520.69, 182,281.04 and 38,414.69 is: 57,622.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,520.69 : 182,281.04 = 38,414.69 : x
  2. Step 2: Convert to fraction form
    121,520.69/182,281.04 = 38,414.69/x
  3. Step 3: Cross multiply
    121,520.69x = 182,281.04 × 38,414.69
  4. Step 4: Simplify right side
    121,520.69x = 7,002,269,644.48
  5. Step 5: Solve for x
    x = 7,002,269,644.48/121,520.69
  6. Step 6: Final answer
    x = 57,622.04

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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.