Home / 192,942.33-289,413.62-80,561.24

Finding the Fourth Proportional to 192,942.33, 289,413.62 and 80,561.24

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Solution

The fourth proportional to 192,942.33, 289,413.62 and 80,561.24 is: 120,841.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,942.33 : 289,413.62 = 80,561.24 : x
  2. Step 2: Convert to fraction form
    192,942.33/289,413.62 = 80,561.24/x
  3. Step 3: Cross multiply
    192,942.33x = 289,413.62 × 80,561.24
  4. Step 4: Simplify right side
    192,942.33x = 23,315,520,100.09
  5. Step 5: Solve for x
    x = 23,315,520,100.09/192,942.33
  6. Step 6: Final answer
    x = 120,841.91

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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.