Home / 198,629.63-274,103.19-112,596.57

Finding the Fourth Proportional to 198,629.63, 274,103.19 and 112,596.57

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Solution

The fourth proportional to 198,629.63, 274,103.19 and 112,596.57 is: 155,380.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,629.63 : 274,103.19 = 112,596.57 : x
  2. Step 2: Convert to fraction form
    198,629.63/274,103.19 = 112,596.57/x
  3. Step 3: Cross multiply
    198,629.63x = 274,103.19 × 112,596.57
  4. Step 4: Simplify right side
    198,629.63x = 30,863,079,625.71
  5. Step 5: Solve for x
    x = 30,863,079,625.71/198,629.63
  6. Step 6: Final answer
    x = 155,380.04

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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.