Home / 198,970.98-274,573.11-108,325.38

Finding the Fourth Proportional to 198,970.98, 274,573.11 and 108,325.38

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Solution

The fourth proportional to 198,970.98, 274,573.11 and 108,325.38 is: 149,485.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,970.98 : 274,573.11 = 108,325.38 : x
  2. Step 2: Convert to fraction form
    198,970.98/274,573.11 = 108,325.38/x
  3. Step 3: Cross multiply
    198,970.98x = 274,573.11 × 108,325.38
  4. Step 4: Simplify right side
    198,970.98x = 29,743,236,478.53
  5. Step 5: Solve for x
    x = 29,743,236,478.53/198,970.98
  6. Step 6: Final answer
    x = 149,485.30

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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.