Home / 198,955.73-274,549.95-108,309.38

Finding the Fourth Proportional to 198,955.73, 274,549.95 and 108,309.38

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Solution

The fourth proportional to 198,955.73, 274,549.95 and 108,309.38 is: 149,462.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,955.73 : 274,549.95 = 108,309.38 : x
  2. Step 2: Convert to fraction form
    198,955.73/274,549.95 = 108,309.38/x
  3. Step 3: Cross multiply
    198,955.73x = 274,549.95 × 108,309.38
  4. Step 4: Simplify right side
    198,955.73x = 29,736,333,490.78
  5. Step 5: Solve for x
    x = 29,736,333,490.78/198,955.73
  6. Step 6: Final answer
    x = 149,462.06

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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.