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Finding the Fourth Proportional to 96,735.90, 145,213.20 and 74,647.20

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Solution

The fourth proportional to 96,735.90, 145,213.20 and 74,647.20 is: 112,055.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,735.90 : 145,213.20 = 74,647.20 : x
  2. Step 2: Convert to fraction form
    96,735.90/145,213.20 = 74,647.20/x
  3. Step 3: Cross multiply
    96,735.90x = 145,213.20 × 74,647.20
  4. Step 4: Simplify right side
    96,735.90x = 10,839,758,783.04
  5. Step 5: Solve for x
    x = 10,839,758,783.04/96,735.90
  6. Step 6: Final answer
    x = 112,055.18

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