Home / 199,190.44-298,869.66-80,831.08

Finding the Fourth Proportional to 199,190.44, 298,869.66 and 80,831.08

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Solution

The fourth proportional to 199,190.44, 298,869.66 and 80,831.08 is: 121,280.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,190.44 : 298,869.66 = 80,831.08 : x
  2. Step 2: Convert to fraction form
    199,190.44/298,869.66 = 80,831.08/x
  3. Step 3: Cross multiply
    199,190.44x = 298,869.66 × 80,831.08
  4. Step 4: Simplify right side
    199,190.44x = 24,157,957,397.03
  5. Step 5: Solve for x
    x = 24,157,957,397.03/199,190.44
  6. Step 6: Final answer
    x = 121,280.71

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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.