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Finding the Fourth Proportional to 107,838.40, 161,728.80 and 32,958.40

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Solution

The fourth proportional to 107,838.40, 161,728.80 and 32,958.40 is: 49,428.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,838.40 : 161,728.80 = 32,958.40 : x
  2. Step 2: Convert to fraction form
    107,838.40/161,728.80 = 32,958.40/x
  3. Step 3: Cross multiply
    107,838.40x = 161,728.80 × 32,958.40
  4. Step 4: Simplify right side
    107,838.40x = 5,330,322,481.92
  5. Step 5: Solve for x
    x = 5,330,322,481.92/107,838.40
  6. Step 6: Final answer
    x = 49,428.80

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