Home / 198,810.72-274,366.34-113,944.16

Finding the Fourth Proportional to 198,810.72, 274,366.34 and 113,944.16

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Solution

The fourth proportional to 198,810.72, 274,366.34 and 113,944.16 is: 157,247.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,810.72 : 274,366.34 = 113,944.16 : x
  2. Step 2: Convert to fraction form
    198,810.72/274,366.34 = 113,944.16/x
  3. Step 3: Cross multiply
    198,810.72x = 274,366.34 × 113,944.16
  4. Step 4: Simplify right side
    198,810.72x = 31,262,442,143.57
  5. Step 5: Solve for x
    x = 31,262,442,143.57/198,810.72
  6. Step 6: Final answer
    x = 157,247.27

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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.