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Finding the Fourth Proportional to 107,889.68, 161,919.26 and 74,842.27

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Solution

The fourth proportional to 107,889.68, 161,919.26 and 74,842.27 is: 112,322.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,889.68 : 161,919.26 = 74,842.27 : x
  2. Step 2: Convert to fraction form
    107,889.68/161,919.26 = 74,842.27/x
  3. Step 3: Cross multiply
    107,889.68x = 161,919.26 × 74,842.27
  4. Step 4: Simplify right side
    107,889.68x = 12,118,404,975.12
  5. Step 5: Solve for x
    x = 12,118,404,975.12/107,889.68
  6. Step 6: Final answer
    x = 112,322.19

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