Home / 126,757.46-190,227.76-49,831.90

Finding the Fourth Proportional to 126,757.46, 190,227.76 and 49,831.90

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Solution

The fourth proportional to 126,757.46, 190,227.76 and 49,831.90 is: 74,783.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,757.46 : 190,227.76 = 49,831.90 : x
  2. Step 2: Convert to fraction form
    126,757.46/190,227.76 = 49,831.90/x
  3. Step 3: Cross multiply
    126,757.46x = 190,227.76 × 49,831.90
  4. Step 4: Simplify right side
    126,757.46x = 9,479,410,713.54
  5. Step 5: Solve for x
    x = 9,479,410,713.54/126,757.46
  6. Step 6: Final answer
    x = 74,783.85

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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.