Home / 226,918.65-313,145.16-124,942.04

Finding the Fourth Proportional to 226,918.65, 313,145.16 and 124,942.04

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Solution

The fourth proportional to 226,918.65, 313,145.16 and 124,942.04 is: 172,418.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,918.65 : 313,145.16 = 124,942.04 : x
  2. Step 2: Convert to fraction form
    226,918.65/313,145.16 = 124,942.04/x
  3. Step 3: Cross multiply
    226,918.65x = 313,145.16 × 124,942.04
  4. Step 4: Simplify right side
    226,918.65x = 39,124,993,540.80
  5. Step 5: Solve for x
    x = 39,124,993,540.80/226,918.65
  6. Step 6: Final answer
    x = 172,418.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.