Home / 199,338.76-275,083.98-108,695.44

Finding the Fourth Proportional to 199,338.76, 275,083.98 and 108,695.44

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Solution

The fourth proportional to 199,338.76, 275,083.98 and 108,695.44 is: 149,997.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,338.76 : 275,083.98 = 108,695.44 : x
  2. Step 2: Convert to fraction form
    199,338.76/275,083.98 = 108,695.44/x
  3. Step 3: Cross multiply
    199,338.76x = 275,083.98 × 108,695.44
  4. Step 4: Simplify right side
    199,338.76x = 29,900,374,243.05
  5. Step 5: Solve for x
    x = 29,900,374,243.05/199,338.76
  6. Step 6: Final answer
    x = 149,997.79

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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.