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Finding the Fourth Proportional to 196,398.18, 294,616.31 and 78,043.01

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Solution

The fourth proportional to 196,398.18, 294,616.31 and 78,043.01 is: 117,072.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,398.18 : 294,616.31 = 78,043.01 : x
  2. Step 2: Convert to fraction form
    196,398.18/294,616.31 = 78,043.01/x
  3. Step 3: Cross multiply
    196,398.18x = 294,616.31 × 78,043.01
  4. Step 4: Simplify right side
    196,398.18x = 22,992,741,764.20
  5. Step 5: Solve for x
    x = 22,992,741,764.20/196,398.18
  6. Step 6: Final answer
    x = 117,072.07

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