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Finding the Fourth Proportional to 107,268.42, 160,946.37 and 86,404.44

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Solution

The fourth proportional to 107,268.42, 160,946.37 and 86,404.44 is: 129,641.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,268.42 : 160,946.37 = 86,404.44 : x
  2. Step 2: Convert to fraction form
    107,268.42/160,946.37 = 86,404.44/x
  3. Step 3: Cross multiply
    107,268.42x = 160,946.37 × 86,404.44
  4. Step 4: Simplify right side
    107,268.42x = 13,906,480,969.88
  5. Step 5: Solve for x
    x = 13,906,480,969.88/107,268.42
  6. Step 6: Final answer
    x = 129,641.89

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