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Finding the Fourth Proportional to 88,117.73, 121,665.67 and 54,171.75

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Solution

The fourth proportional to 88,117.73, 121,665.67 and 54,171.75 is: 74,795.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,117.73 : 121,665.67 = 54,171.75 : x
  2. Step 2: Convert to fraction form
    88,117.73/121,665.67 = 54,171.75/x
  3. Step 3: Cross multiply
    88,117.73x = 121,665.67 × 54,171.75
  4. Step 4: Simplify right side
    88,117.73x = 6,590,842,258.82
  5. Step 5: Solve for x
    x = 6,590,842,258.82/88,117.73
  6. Step 6: Final answer
    x = 74,795.87

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