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Finding the Fourth Proportional to 99,394.42, 137,161.18 and 54,071.24

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Solution

The fourth proportional to 99,394.42, 137,161.18 and 54,071.24 is: 74,616.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,394.42 : 137,161.18 = 54,071.24 : x
  2. Step 2: Convert to fraction form
    99,394.42/137,161.18 = 54,071.24/x
  3. Step 3: Cross multiply
    99,394.42x = 137,161.18 × 54,071.24
  4. Step 4: Simplify right side
    99,394.42x = 7,416,475,025.28
  5. Step 5: Solve for x
    x = 7,416,475,025.28/99,394.42
  6. Step 6: Final answer
    x = 74,616.61

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