Home / 198,927.80-274,511.88-108,283.88

Finding the Fourth Proportional to 198,927.80, 274,511.88 and 108,283.88

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Solution

The fourth proportional to 198,927.80, 274,511.88 and 108,283.88 is: 149,427.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,927.80 : 274,511.88 = 108,283.88 : x
  2. Step 2: Convert to fraction form
    198,927.80/274,511.88 = 108,283.88/x
  3. Step 3: Cross multiply
    198,927.80x = 274,511.88 × 108,283.88
  4. Step 4: Simplify right side
    198,927.80x = 29,725,211,472.49
  5. Step 5: Solve for x
    x = 29,725,211,472.49/198,927.80
  6. Step 6: Final answer
    x = 149,427.14

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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.