Home / 121,301.20-182,016.60-54,751.60

Finding the Fourth Proportional to 121,301.20, 182,016.60 and 54,751.60

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Solution

The fourth proportional to 121,301.20, 182,016.60 and 54,751.60 is: 82,156.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,301.20 : 182,016.60 = 54,751.60 : x
  2. Step 2: Convert to fraction form
    121,301.20/182,016.60 = 54,751.60/x
  3. Step 3: Cross multiply
    121,301.20x = 182,016.60 × 54,751.60
  4. Step 4: Simplify right side
    121,301.20x = 9,965,700,076.56
  5. Step 5: Solve for x
    x = 9,965,700,076.56/121,301.20
  6. Step 6: Final answer
    x = 82,156.65

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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.