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Finding the Fourth Proportional to 168,605.36, 232,638.72 and 100,591.28

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Solution

The fourth proportional to 168,605.36, 232,638.72 and 100,591.28 is: 138,794.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,605.36 : 232,638.72 = 100,591.28 : x
  2. Step 2: Convert to fraction form
    168,605.36/232,638.72 = 100,591.28/x
  3. Step 3: Cross multiply
    168,605.36x = 232,638.72 × 100,591.28
  4. Step 4: Simplify right side
    168,605.36x = 23,401,426,622.36
  5. Step 5: Solve for x
    x = 23,401,426,622.36/168,605.36
  6. Step 6: Final answer
    x = 138,794.08

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