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Finding the Fourth Proportional to 115,912.40, 173,893.80 and 66,016.40

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Solution

The fourth proportional to 115,912.40, 173,893.80 and 66,016.40 is: 99,038.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,912.40 : 173,893.80 = 66,016.40 : x
  2. Step 2: Convert to fraction form
    115,912.40/173,893.80 = 66,016.40/x
  3. Step 3: Cross multiply
    115,912.40x = 173,893.80 × 66,016.40
  4. Step 4: Simplify right side
    115,912.40x = 11,479,842,658.32
  5. Step 5: Solve for x
    x = 11,479,842,658.32/115,912.40
  6. Step 6: Final answer
    x = 99,038.95

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