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Finding the Fourth Proportional to 107,817.40, 161,726.10 and 68,548.60

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Solution

The fourth proportional to 107,817.40, 161,726.10 and 68,548.60 is: 102,822.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,817.40 : 161,726.10 = 68,548.60 : x
  2. Step 2: Convert to fraction form
    107,817.40/161,726.10 = 68,548.60/x
  3. Step 3: Cross multiply
    107,817.40x = 161,726.10 × 68,548.60
  4. Step 4: Simplify right side
    107,817.40x = 11,086,097,738.46
  5. Step 5: Solve for x
    x = 11,086,097,738.46/107,817.40
  6. Step 6: Final answer
    x = 102,822.90

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