Home / 225,816.19-338,724.88-76,161.61

Finding the Fourth Proportional to 225,816.19, 338,724.88 and 76,161.61

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Solution

The fourth proportional to 225,816.19, 338,724.88 and 76,161.61 is: 114,242.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,816.19 : 338,724.88 = 76,161.61 : x
  2. Step 2: Convert to fraction form
    225,816.19/338,724.88 = 76,161.61/x
  3. Step 3: Cross multiply
    225,816.19x = 338,724.88 × 76,161.61
  4. Step 4: Simplify right side
    225,816.19x = 25,797,832,207.86
  5. Step 5: Solve for x
    x = 25,797,832,207.86/225,816.19
  6. Step 6: Final answer
    x = 114,242.62

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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.