Home / 144,798.43-199,831.15-80,270.38

Finding the Fourth Proportional to 144,798.43, 199,831.15 and 80,270.38

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Solution

The fourth proportional to 144,798.43, 199,831.15 and 80,270.38 is: 110,778.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,798.43 : 199,831.15 = 80,270.38 : x
  2. Step 2: Convert to fraction form
    144,798.43/199,831.15 = 80,270.38/x
  3. Step 3: Cross multiply
    144,798.43x = 199,831.15 × 80,270.38
  4. Step 4: Simplify right side
    144,798.43x = 16,040,522,346.34
  5. Step 5: Solve for x
    x = 16,040,522,346.34/144,798.43
  6. Step 6: Final answer
    x = 110,778.29

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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.