Home / 225,814.19-338,721.88-76,159.61

Finding the Fourth Proportional to 225,814.19, 338,721.88 and 76,159.61

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Solution

The fourth proportional to 225,814.19, 338,721.88 and 76,159.61 is: 114,239.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,814.19 : 338,721.88 = 76,159.61 : x
  2. Step 2: Convert to fraction form
    225,814.19/338,721.88 = 76,159.61/x
  3. Step 3: Cross multiply
    225,814.19x = 338,721.88 × 76,159.61
  4. Step 4: Simplify right side
    225,814.19x = 25,796,926,279.27
  5. Step 5: Solve for x
    x = 25,796,926,279.27/225,814.19
  6. Step 6: Final answer
    x = 114,239.62

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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.