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Finding the Fourth Proportional to 107,634.60, 161,451.90 and 82,722.60

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Solution

The fourth proportional to 107,634.60, 161,451.90 and 82,722.60 is: 124,083.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,634.60 : 161,451.90 = 82,722.60 : x
  2. Step 2: Convert to fraction form
    107,634.60/161,451.90 = 82,722.60/x
  3. Step 3: Cross multiply
    107,634.60x = 161,451.90 × 82,722.60
  4. Step 4: Simplify right side
    107,634.60x = 13,355,720,942.94
  5. Step 5: Solve for x
    x = 13,355,720,942.94/107,634.60
  6. Step 6: Final answer
    x = 124,083.90

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