Home / 199,413.32-275,177.94-109,991.24

Finding the Fourth Proportional to 199,413.32, 275,177.94 and 109,991.24

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Solution

The fourth proportional to 199,413.32, 275,177.94 and 109,991.24 is: 151,781.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,413.32 : 275,177.94 = 109,991.24 : x
  2. Step 2: Convert to fraction form
    199,413.32/275,177.94 = 109,991.24/x
  3. Step 3: Cross multiply
    199,413.32x = 275,177.94 × 109,991.24
  4. Step 4: Simplify right side
    199,413.32x = 30,267,162,841.25
  5. Step 5: Solve for x
    x = 30,267,162,841.25/199,413.32
  6. Step 6: Final answer
    x = 151,781.05

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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.