Home / 172,758.31-238,219.99-108,204.55

Finding the Fourth Proportional to 172,758.31, 238,219.99 and 108,204.55

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Solution

The fourth proportional to 172,758.31, 238,219.99 and 108,204.55 is: 149,205.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,758.31 : 238,219.99 = 108,204.55 : x
  2. Step 2: Convert to fraction form
    172,758.31/238,219.99 = 108,204.55/x
  3. Step 3: Cross multiply
    172,758.31x = 238,219.99 × 108,204.55
  4. Step 4: Simplify right side
    172,758.31x = 25,776,486,818.95
  5. Step 5: Solve for x
    x = 25,776,486,818.95/172,758.31
  6. Step 6: Final answer
    x = 149,205.48

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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.