Home / 199,413.53-275,190.67-108,769.49

Finding the Fourth Proportional to 199,413.53, 275,190.67 and 108,769.49

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Solution

The fourth proportional to 199,413.53, 275,190.67 and 108,769.49 is: 150,101.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,413.53 : 275,190.67 = 108,769.49 : x
  2. Step 2: Convert to fraction form
    199,413.53/275,190.67 = 108,769.49/x
  3. Step 3: Cross multiply
    199,413.53x = 275,190.67 × 108,769.49
  4. Step 4: Simplify right side
    199,413.53x = 29,932,348,546.45
  5. Step 5: Solve for x
    x = 29,932,348,546.45/199,413.53
  6. Step 6: Final answer
    x = 150,101.89

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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.