Home / 198,817.28-274,365.72-118,243.04

Finding the Fourth Proportional to 198,817.28, 274,365.72 and 118,243.04

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Solution

The fourth proportional to 198,817.28, 274,365.72 and 118,243.04 is: 163,174.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,817.28 : 274,365.72 = 118,243.04 : x
  2. Step 2: Convert to fraction form
    198,817.28/274,365.72 = 118,243.04/x
  3. Step 3: Cross multiply
    198,817.28x = 274,365.72 × 118,243.04
  4. Step 4: Simplify right side
    198,817.28x = 32,441,836,414.28
  5. Step 5: Solve for x
    x = 32,441,836,414.28/198,817.28
  6. Step 6: Final answer
    x = 163,174.13

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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.