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Finding the Fourth Proportional to 107,268.51, 160,929.28 and 75,740.34

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Solution

The fourth proportional to 107,268.51, 160,929.28 and 75,740.34 is: 113,629.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,268.51 : 160,929.28 = 75,740.34 : x
  2. Step 2: Convert to fraction form
    107,268.51/160,929.28 = 75,740.34/x
  3. Step 3: Cross multiply
    107,268.51x = 160,929.28 × 75,740.34
  4. Step 4: Simplify right side
    107,268.51x = 12,188,838,359.16
  5. Step 5: Solve for x
    x = 12,188,838,359.16/107,268.51
  6. Step 6: Final answer
    x = 113,629.24

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