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Finding the Fourth Proportional to 95,438.80, 143,158.20 and 82,316.80

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Solution

The fourth proportional to 95,438.80, 143,158.20 and 82,316.80 is: 123,475.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,438.80 : 143,158.20 = 82,316.80 : x
  2. Step 2: Convert to fraction form
    95,438.80/143,158.20 = 82,316.80/x
  3. Step 3: Cross multiply
    95,438.80x = 143,158.20 × 82,316.80
  4. Step 4: Simplify right side
    95,438.80x = 11,784,324,917.76
  5. Step 5: Solve for x
    x = 11,784,324,917.76/95,438.80
  6. Step 6: Final answer
    x = 123,475.20

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