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Finding the Fourth Proportional to 99,549.98, 149,418.77 and 66,293.31

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Solution

The fourth proportional to 99,549.98, 149,418.77 and 66,293.31 is: 99,502.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,549.98 : 149,418.77 = 66,293.31 : x
  2. Step 2: Convert to fraction form
    99,549.98/149,418.77 = 66,293.31/x
  3. Step 3: Cross multiply
    99,549.98x = 149,418.77 × 66,293.31
  4. Step 4: Simplify right side
    99,549.98x = 9,905,464,507.96
  5. Step 5: Solve for x
    x = 9,905,464,507.96/99,549.98
  6. Step 6: Final answer
    x = 99,502.43

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