Home / 198,896.09-274,476.60-108,252.71

Finding the Fourth Proportional to 198,896.09, 274,476.60 and 108,252.71

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Solution

The fourth proportional to 198,896.09, 274,476.60 and 108,252.71 is: 149,388.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,896.09 : 274,476.60 = 108,252.71 : x
  2. Step 2: Convert to fraction form
    198,896.09/274,476.60 = 108,252.71/x
  3. Step 3: Cross multiply
    198,896.09x = 274,476.60 × 108,252.71
  4. Step 4: Simplify right side
    198,896.09x = 29,712,834,409.20
  5. Step 5: Solve for x
    x = 29,712,834,409.20/198,896.09
  6. Step 6: Final answer
    x = 149,388.73

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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.