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Finding the Fourth Proportional to 192,072.20, 287,741.10 and 103,296.20

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Solution

The fourth proportional to 192,072.20, 287,741.10 and 103,296.20 is: 154,746.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,072.20 : 287,741.10 = 103,296.20 : x
  2. Step 2: Convert to fraction form
    192,072.20/287,741.10 = 103,296.20/x
  3. Step 3: Cross multiply
    192,072.20x = 287,741.10 × 103,296.20
  4. Step 4: Simplify right side
    192,072.20x = 29,722,562,213.82
  5. Step 5: Solve for x
    x = 29,722,562,213.82/192,072.20
  6. Step 6: Final answer
    x = 154,746.82

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