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Finding the Fourth Proportional to 95,912.70, 143,869.05 and 54,440.70

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Solution

The fourth proportional to 95,912.70, 143,869.05 and 54,440.70 is: 81,661.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,912.70 : 143,869.05 = 54,440.70 : x
  2. Step 2: Convert to fraction form
    95,912.70/143,869.05 = 54,440.70/x
  3. Step 3: Cross multiply
    95,912.70x = 143,869.05 × 54,440.70
  4. Step 4: Simplify right side
    95,912.70x = 7,832,331,790.34
  5. Step 5: Solve for x
    x = 7,832,331,790.34/95,912.70
  6. Step 6: Final answer
    x = 81,661.05

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