Home / 198,849.25-274,366.49-112,787.67

Finding the Fourth Proportional to 198,849.25, 274,366.49 and 112,787.67

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Solution

The fourth proportional to 198,849.25, 274,366.49 and 112,787.67 is: 155,621.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,849.25 : 274,366.49 = 112,787.67 : x
  2. Step 2: Convert to fraction form
    198,849.25/274,366.49 = 112,787.67/x
  3. Step 3: Cross multiply
    198,849.25x = 274,366.49 × 112,787.67
  4. Step 4: Simplify right side
    198,849.25x = 30,945,157,133.18
  5. Step 5: Solve for x
    x = 30,945,157,133.18/198,849.25
  6. Step 6: Final answer
    x = 155,621.19

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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.