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Finding the Fourth Proportional to 97,949.59, 135,131.56 and 63,947.21

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Solution

The fourth proportional to 97,949.59, 135,131.56 and 63,947.21 is: 88,221.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,949.59 : 135,131.56 = 63,947.21 : x
  2. Step 2: Convert to fraction form
    97,949.59/135,131.56 = 63,947.21/x
  3. Step 3: Cross multiply
    97,949.59x = 135,131.56 × 63,947.21
  4. Step 4: Simplify right side
    97,949.59x = 8,641,285,409.42
  5. Step 5: Solve for x
    x = 8,641,285,409.42/97,949.59
  6. Step 6: Final answer
    x = 88,221.76

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