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Finding the Fourth Proportional to 107,788.60, 161,707.20 and 32,912.20

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Solution

The fourth proportional to 107,788.60, 161,707.20 and 32,912.20 is: 49,375.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,788.60 : 161,707.20 = 32,912.20 : x
  2. Step 2: Convert to fraction form
    107,788.60/161,707.20 = 32,912.20/x
  3. Step 3: Cross multiply
    107,788.60x = 161,707.20 × 32,912.20
  4. Step 4: Simplify right side
    107,788.60x = 5,322,139,707.84
  5. Step 5: Solve for x
    x = 5,322,139,707.84/107,788.60
  6. Step 6: Final answer
    x = 49,375.72

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