Home / 198,817.88-274,371.50-108,173.91

Finding the Fourth Proportional to 198,817.88, 274,371.50 and 108,173.91

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Solution

The fourth proportional to 198,817.88, 274,371.50 and 108,173.91 is: 149,281.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,817.88 : 274,371.50 = 108,173.91 : x
  2. Step 2: Convert to fraction form
    198,817.88/274,371.50 = 108,173.91/x
  3. Step 3: Cross multiply
    198,817.88x = 274,371.50 × 108,173.91
  4. Step 4: Simplify right side
    198,817.88x = 29,679,837,947.57
  5. Step 5: Solve for x
    x = 29,679,837,947.57/198,817.88
  6. Step 6: Final answer
    x = 149,281.53

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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.