Home / 172,839.32-238,537.50-109,174.04

Finding the Fourth Proportional to 172,839.32, 238,537.50 and 109,174.04

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Solution

The fourth proportional to 172,839.32, 238,537.50 and 109,174.04 is: 150,672.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,839.32 : 238,537.50 = 109,174.04 : x
  2. Step 2: Convert to fraction form
    172,839.32/238,537.50 = 109,174.04/x
  3. Step 3: Cross multiply
    172,839.32x = 238,537.50 × 109,174.04
  4. Step 4: Simplify right side
    172,839.32x = 26,042,102,566.50
  5. Step 5: Solve for x
    x = 26,042,102,566.50/172,839.32
  6. Step 6: Final answer
    x = 150,672.33

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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.