Home / 121,452.35-182,180.30-54,846.05

Finding the Fourth Proportional to 121,452.35, 182,180.30 and 54,846.05

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Solution

The fourth proportional to 121,452.35, 182,180.30 and 54,846.05 is: 82,269.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,452.35 : 182,180.30 = 54,846.05 : x
  2. Step 2: Convert to fraction form
    121,452.35/182,180.30 = 54,846.05/x
  3. Step 3: Cross multiply
    121,452.35x = 182,180.30 × 54,846.05
  4. Step 4: Simplify right side
    121,452.35x = 9,991,868,657.68
  5. Step 5: Solve for x
    x = 9,991,868,657.68/121,452.35
  6. Step 6: Final answer
    x = 82,269.87

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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.