Home / 198,683.27-274,174.56-112,648.04

Finding the Fourth Proportional to 198,683.27, 274,174.56 and 112,648.04

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Solution

The fourth proportional to 198,683.27, 274,174.56 and 112,648.04 is: 155,449.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,683.27 : 274,174.56 = 112,648.04 : x
  2. Step 2: Convert to fraction form
    198,683.27/274,174.56 = 112,648.04/x
  3. Step 3: Cross multiply
    198,683.27x = 274,174.56 × 112,648.04
  4. Step 4: Simplify right side
    198,683.27x = 30,885,225,430.99
  5. Step 5: Solve for x
    x = 30,885,225,430.99/198,683.27
  6. Step 6: Final answer
    x = 155,449.56

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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.