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Finding the Fourth Proportional to 99,516.29, 137,326.25 and 54,804.29

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Solution

The fourth proportional to 99,516.29, 137,326.25 and 54,804.29 is: 75,626.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,516.29 : 137,326.25 = 54,804.29 : x
  2. Step 2: Convert to fraction form
    99,516.29/137,326.25 = 54,804.29/x
  3. Step 3: Cross multiply
    99,516.29x = 137,326.25 × 54,804.29
  4. Step 4: Simplify right side
    99,516.29x = 7,526,067,079.99
  5. Step 5: Solve for x
    x = 7,526,067,079.99/99,516.29
  6. Step 6: Final answer
    x = 75,626.49

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