Home / 154,481.10-231,721.65-124,413.90

Finding the Fourth Proportional to 154,481.10, 231,721.65 and 124,413.90

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Solution

The fourth proportional to 154,481.10, 231,721.65 and 124,413.90 is: 186,620.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,481.10 : 231,721.65 = 124,413.90 : x
  2. Step 2: Convert to fraction form
    154,481.10/231,721.65 = 124,413.90/x
  3. Step 3: Cross multiply
    154,481.10x = 231,721.65 × 124,413.90
  4. Step 4: Simplify right side
    154,481.10x = 28,829,394,190.94
  5. Step 5: Solve for x
    x = 28,829,394,190.94/154,481.10
  6. Step 6: Final answer
    x = 186,620.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.