Home / 151,100.68-226,465.12-66,769.96

Finding the Fourth Proportional to 151,100.68, 226,465.12 and 66,769.96

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Solution

The fourth proportional to 151,100.68, 226,465.12 and 66,769.96 is: 100,072.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,100.68 : 226,465.12 = 66,769.96 : x
  2. Step 2: Convert to fraction form
    151,100.68/226,465.12 = 66,769.96/x
  3. Step 3: Cross multiply
    151,100.68x = 226,465.12 × 66,769.96
  4. Step 4: Simplify right side
    151,100.68x = 15,121,067,003.80
  5. Step 5: Solve for x
    x = 15,121,067,003.80/151,100.68
  6. Step 6: Final answer
    x = 100,072.79

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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.