Home / 199,413.72-275,191.79-108,771.62

Finding the Fourth Proportional to 199,413.72, 275,191.79 and 108,771.62

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Solution

The fourth proportional to 199,413.72, 275,191.79 and 108,771.62 is: 150,105.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,413.72 : 275,191.79 = 108,771.62 : x
  2. Step 2: Convert to fraction form
    199,413.72/275,191.79 = 108,771.62/x
  3. Step 3: Cross multiply
    199,413.72x = 275,191.79 × 108,771.62
  4. Step 4: Simplify right side
    199,413.72x = 29,933,054,889.18
  5. Step 5: Solve for x
    x = 29,933,054,889.18/199,413.72
  6. Step 6: Final answer
    x = 150,105.29

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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.