Home / 198,702.47-274,211.25-108,059.29

Finding the Fourth Proportional to 198,702.47, 274,211.25 and 108,059.29

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Solution

The fourth proportional to 198,702.47, 274,211.25 and 108,059.29 is: 149,122.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,702.47 : 274,211.25 = 108,059.29 : x
  2. Step 2: Convert to fraction form
    198,702.47/274,211.25 = 108,059.29/x
  3. Step 3: Cross multiply
    198,702.47x = 274,211.25 × 108,059.29
  4. Step 4: Simplify right side
    198,702.47x = 29,631,072,985.01
  5. Step 5: Solve for x
    x = 29,631,072,985.01/198,702.47
  6. Step 6: Final answer
    x = 149,122.82

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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.