Home / 151,734.80-227,861.40-81,750.80

Finding the Fourth Proportional to 151,734.80, 227,861.40 and 81,750.80

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Solution

The fourth proportional to 151,734.80, 227,861.40 and 81,750.80 is: 122,765.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,734.80 : 227,861.40 = 81,750.80 : x
  2. Step 2: Convert to fraction form
    151,734.80/227,861.40 = 81,750.80/x
  3. Step 3: Cross multiply
    151,734.80x = 227,861.40 × 81,750.80
  4. Step 4: Simplify right side
    151,734.80x = 18,627,851,739.12
  5. Step 5: Solve for x
    x = 18,627,851,739.12/151,734.80
  6. Step 6: Final answer
    x = 122,765.85

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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.