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Finding the Fourth Proportional to 107,905.60, 161,858.40 and 82,993.60

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Solution

The fourth proportional to 107,905.60, 161,858.40 and 82,993.60 is: 124,490.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,905.60 : 161,858.40 = 82,993.60 : x
  2. Step 2: Convert to fraction form
    107,905.60/161,858.40 = 82,993.60/x
  3. Step 3: Cross multiply
    107,905.60x = 161,858.40 × 82,993.60
  4. Step 4: Simplify right side
    107,905.60x = 13,433,211,306.24
  5. Step 5: Solve for x
    x = 13,433,211,306.24/107,905.60
  6. Step 6: Final answer
    x = 124,490.40

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