Home / 83,716.16-125,413.84-80,902.22

Finding the Fourth Proportional to 83,716.16, 125,413.84 and 80,902.22

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Solution

The fourth proportional to 83,716.16, 125,413.84 and 80,902.22 is: 121,198.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,716.16 : 125,413.84 = 80,902.22 : x
  2. Step 2: Convert to fraction form
    83,716.16/125,413.84 = 80,902.22/x
  3. Step 3: Cross multiply
    83,716.16x = 125,413.84 × 80,902.22
  4. Step 4: Simplify right side
    83,716.16x = 10,146,258,074.72
  5. Step 5: Solve for x
    x = 10,146,258,074.72/83,716.16
  6. Step 6: Final answer
    x = 121,198.32

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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.