Home / 149,828.58-206,754.30-81,831.78

Finding the Fourth Proportional to 149,828.58, 206,754.30 and 81,831.78

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Solution

The fourth proportional to 149,828.58, 206,754.30 and 81,831.78 is: 112,922.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,828.58 : 206,754.30 = 81,831.78 : x
  2. Step 2: Convert to fraction form
    149,828.58/206,754.30 = 81,831.78/x
  3. Step 3: Cross multiply
    149,828.58x = 206,754.30 × 81,831.78
  4. Step 4: Simplify right side
    149,828.58x = 16,919,072,391.65
  5. Step 5: Solve for x
    x = 16,919,072,391.65/149,828.58
  6. Step 6: Final answer
    x = 112,922.86

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