Home / 148,960.54-205,569.55-80,982.12

Finding the Fourth Proportional to 148,960.54, 205,569.55 and 80,982.12

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Solution

The fourth proportional to 148,960.54, 205,569.55 and 80,982.12 is: 111,757.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,960.54 : 205,569.55 = 80,982.12 : x
  2. Step 2: Convert to fraction form
    148,960.54/205,569.55 = 80,982.12/x
  3. Step 3: Cross multiply
    148,960.54x = 205,569.55 × 80,982.12
  4. Step 4: Simplify right side
    148,960.54x = 16,647,458,838.56
  5. Step 5: Solve for x
    x = 16,647,458,838.56/148,960.54
  6. Step 6: Final answer
    x = 111,757.51

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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.