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Finding the Fourth Proportional to 107,868.60, 161,997.30 and 104,369.40

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Solution

The fourth proportional to 107,868.60, 161,997.30 and 104,369.40 is: 156,742.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,868.60 : 161,997.30 = 104,369.40 : x
  2. Step 2: Convert to fraction form
    107,868.60/161,997.30 = 104,369.40/x
  3. Step 3: Cross multiply
    107,868.60x = 161,997.30 × 104,369.40
  4. Step 4: Simplify right side
    107,868.60x = 16,907,561,002.62
  5. Step 5: Solve for x
    x = 16,907,561,002.62/107,868.60
  6. Step 6: Final answer
    x = 156,742.19

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