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Finding the Fourth Proportional to 97,791.90, 146,797.20 and 75,703.20

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Solution

The fourth proportional to 97,791.90, 146,797.20 and 75,703.20 is: 113,639.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,791.90 : 146,797.20 = 75,703.20 : x
  2. Step 2: Convert to fraction form
    97,791.90/146,797.20 = 75,703.20/x
  3. Step 3: Cross multiply
    97,791.90x = 146,797.20 × 75,703.20
  4. Step 4: Simplify right side
    97,791.90x = 11,113,017,791.04
  5. Step 5: Solve for x
    x = 11,113,017,791.04/97,791.90
  6. Step 6: Final answer
    x = 113,639.45

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