Home / 151,540.99-227,377.04-81,338.29

Finding the Fourth Proportional to 151,540.99, 227,377.04 and 81,338.29

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Solution

The fourth proportional to 151,540.99, 227,377.04 and 81,338.29 is: 122,042.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,540.99 : 227,377.04 = 81,338.29 : x
  2. Step 2: Convert to fraction form
    151,540.99/227,377.04 = 81,338.29/x
  3. Step 3: Cross multiply
    151,540.99x = 227,377.04 × 81,338.29
  4. Step 4: Simplify right side
    151,540.99x = 18,494,459,212.17
  5. Step 5: Solve for x
    x = 18,494,459,212.17/151,540.99
  6. Step 6: Final answer
    x = 122,042.62

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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.