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Finding the Fourth Proportional to 221,657.53, 332,534.93 and 71,912.96

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Solution

The fourth proportional to 221,657.53, 332,534.93 and 71,912.96 is: 107,885.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,657.53 : 332,534.93 = 71,912.96 : x
  2. Step 2: Convert to fraction form
    221,657.53/332,534.93 = 71,912.96/x
  3. Step 3: Cross multiply
    221,657.53x = 332,534.93 × 71,912.96
  4. Step 4: Simplify right side
    221,657.53x = 23,913,569,636.80
  5. Step 5: Solve for x
    x = 23,913,569,636.80/221,657.53
  6. Step 6: Final answer
    x = 107,885.21

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