Home / 151,811.20-227,716.80-106,540.30

Finding the Fourth Proportional to 151,811.20, 227,716.80 and 106,540.30

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Solution

The fourth proportional to 151,811.20, 227,716.80 and 106,540.30 is: 159,810.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,811.20 : 227,716.80 = 106,540.30 : x
  2. Step 2: Convert to fraction form
    151,811.20/227,716.80 = 106,540.30/x
  3. Step 3: Cross multiply
    151,811.20x = 227,716.80 × 106,540.30
  4. Step 4: Simplify right side
    151,811.20x = 24,261,016,187.04
  5. Step 5: Solve for x
    x = 24,261,016,187.04/151,811.20
  6. Step 6: Final answer
    x = 159,810.45

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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.