Home / 199,413.20-298,716.60-124,302.80

Finding the Fourth Proportional to 199,413.20, 298,716.60 and 124,302.80

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Solution

The fourth proportional to 199,413.20, 298,716.60 and 124,302.80 is: 186,202.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,413.20 : 298,716.60 = 124,302.80 : x
  2. Step 2: Convert to fraction form
    199,413.20/298,716.60 = 124,302.80/x
  3. Step 3: Cross multiply
    199,413.20x = 298,716.60 × 124,302.80
  4. Step 4: Simplify right side
    199,413.20x = 37,131,309,786.48
  5. Step 5: Solve for x
    x = 37,131,309,786.48/199,413.20
  6. Step 6: Final answer
    x = 186,202.87

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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.