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Finding the Fourth Proportional to 97,107.60, 145,661.40 and 83,744.40

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Solution

The fourth proportional to 97,107.60, 145,661.40 and 83,744.40 is: 125,616.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,107.60 : 145,661.40 = 83,744.40 : x
  2. Step 2: Convert to fraction form
    97,107.60/145,661.40 = 83,744.40/x
  3. Step 3: Cross multiply
    97,107.60x = 145,661.40 × 83,744.40
  4. Step 4: Simplify right side
    97,107.60x = 12,198,326,546.16
  5. Step 5: Solve for x
    x = 12,198,326,546.16/97,107.60
  6. Step 6: Final answer
    x = 125,616.60

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