Home / 281,831.44-422,512.92-131,998.48

Finding the Fourth Proportional to 281,831.44, 422,512.92 and 131,998.48

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Solution

The fourth proportional to 281,831.44, 422,512.92 and 131,998.48 is: 197,888.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,831.44 : 422,512.92 = 131,998.48 : x
  2. Step 2: Convert to fraction form
    281,831.44/422,512.92 = 131,998.48/x
  3. Step 3: Cross multiply
    281,831.44x = 422,512.92 × 131,998.48
  4. Step 4: Simplify right side
    281,831.44x = 55,771,063,220.36
  5. Step 5: Solve for x
    x = 55,771,063,220.36/281,831.44
  6. Step 6: Final answer
    x = 197,888.01

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1.5x scale

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.