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Finding the Fourth Proportional to 143,088.75, 197,471.70 and 82,661.94

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Solution

The fourth proportional to 143,088.75, 197,471.70 and 82,661.94 is: 114,078.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,088.75 : 197,471.70 = 82,661.94 : x
  2. Step 2: Convert to fraction form
    143,088.75/197,471.70 = 82,661.94/x
  3. Step 3: Cross multiply
    143,088.75x = 197,471.70 × 82,661.94
  4. Step 4: Simplify right side
    143,088.75x = 16,323,393,817.10
  5. Step 5: Solve for x
    x = 16,323,393,817.10/143,088.75
  6. Step 6: Final answer
    x = 114,078.81

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