Home / 198,629.62-274,111.19-107,983.59

Finding the Fourth Proportional to 198,629.62, 274,111.19 and 107,983.59

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Solution

The fourth proportional to 198,629.62, 274,111.19 and 107,983.59 is: 149,018.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,629.62 : 274,111.19 = 107,983.59 : x
  2. Step 2: Convert to fraction form
    198,629.62/274,111.19 = 107,983.59/x
  3. Step 3: Cross multiply
    198,629.62x = 274,111.19 × 107,983.59
  4. Step 4: Simplify right side
    198,629.62x = 29,599,510,355.37
  5. Step 5: Solve for x
    x = 29,599,510,355.37/198,629.62
  6. Step 6: Final answer
    x = 149,018.61

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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.