Home / 220,131.10-330,196.65-172,891.90

Finding the Fourth Proportional to 220,131.10, 330,196.65 and 172,891.90

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Solution

The fourth proportional to 220,131.10, 330,196.65 and 172,891.90 is: 259,337.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,131.10 : 330,196.65 = 172,891.90 : x
  2. Step 2: Convert to fraction form
    220,131.10/330,196.65 = 172,891.90/x
  3. Step 3: Cross multiply
    220,131.10x = 330,196.65 × 172,891.90
  4. Step 4: Simplify right side
    220,131.10x = 57,088,326,192.14
  5. Step 5: Solve for x
    x = 57,088,326,192.14/220,131.10
  6. Step 6: Final answer
    x = 259,337.85

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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.