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Finding the Fourth Proportional to 221,065.96, 305,061.24 and 125,571.28

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Solution

The fourth proportional to 221,065.96, 305,061.24 and 125,571.28 is: 173,282.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,065.96 : 305,061.24 = 125,571.28 : x
  2. Step 2: Convert to fraction form
    221,065.96/305,061.24 = 125,571.28/x
  3. Step 3: Cross multiply
    221,065.96x = 305,061.24 × 125,571.28
  4. Step 4: Simplify right side
    221,065.96x = 38,306,930,385.19
  5. Step 5: Solve for x
    x = 38,306,930,385.19/221,065.96
  6. Step 6: Final answer
    x = 173,282.81

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