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Finding the Fourth Proportional to 97,789.90, 146,794.20 and 75,701.20

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Solution

The fourth proportional to 97,789.90, 146,794.20 and 75,701.20 is: 113,636.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,789.90 : 146,794.20 = 75,701.20 : x
  2. Step 2: Convert to fraction form
    97,789.90/146,794.20 = 75,701.20/x
  3. Step 3: Cross multiply
    97,789.90x = 146,794.20 × 75,701.20
  4. Step 4: Simplify right side
    97,789.90x = 11,112,497,093.04
  5. Step 5: Solve for x
    x = 11,112,497,093.04/97,789.90
  6. Step 6: Final answer
    x = 113,636.45

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