Home / 199,579.77-275,413.19-118,965.78

Finding the Fourth Proportional to 199,579.77, 275,413.19 and 118,965.78

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Solution

The fourth proportional to 199,579.77, 275,413.19 and 118,965.78 is: 164,168.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,579.77 : 275,413.19 = 118,965.78 : x
  2. Step 2: Convert to fraction form
    199,579.77/275,413.19 = 118,965.78/x
  3. Step 3: Cross multiply
    199,579.77x = 275,413.19 × 118,965.78
  4. Step 4: Simplify right side
    199,579.77x = 32,764,744,375.81
  5. Step 5: Solve for x
    x = 32,764,744,375.81/199,579.77
  6. Step 6: Final answer
    x = 164,168.66

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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.