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Finding the Fourth Proportional to 97,789.40, 146,465.40 and 80,293.40

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Solution

The fourth proportional to 97,789.40, 146,465.40 and 80,293.40 is: 120,260.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,789.40 : 146,465.40 = 80,293.40 : x
  2. Step 2: Convert to fraction form
    97,789.40/146,465.40 = 80,293.40/x
  3. Step 3: Cross multiply
    97,789.40x = 146,465.40 × 80,293.40
  4. Step 4: Simplify right side
    97,789.40x = 11,760,204,948.36
  5. Step 5: Solve for x
    x = 11,760,204,948.36/97,789.40
  6. Step 6: Final answer
    x = 120,260.53

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