Home / 198,817.53-274,366.07-118,243.29

Finding the Fourth Proportional to 198,817.53, 274,366.07 and 118,243.29

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Solution

The fourth proportional to 198,817.53, 274,366.07 and 118,243.29 is: 163,174.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,817.53 : 274,366.07 = 118,243.29 : x
  2. Step 2: Convert to fraction form
    198,817.53/274,366.07 = 118,243.29/x
  3. Step 3: Cross multiply
    198,817.53x = 274,366.07 × 118,243.29
  4. Step 4: Simplify right side
    198,817.53x = 32,441,946,189.95
  5. Step 5: Solve for x
    x = 32,441,946,189.95/198,817.53
  6. Step 6: Final answer
    x = 163,174.48

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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.