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Finding the Fourth Proportional to 68,267.80, 102,401.70 and 61,010.20

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Solution

The fourth proportional to 68,267.80, 102,401.70 and 61,010.20 is: 91,515.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,267.80 : 102,401.70 = 61,010.20 : x
  2. Step 2: Convert to fraction form
    68,267.80/102,401.70 = 61,010.20/x
  3. Step 3: Cross multiply
    68,267.80x = 102,401.70 × 61,010.20
  4. Step 4: Simplify right side
    68,267.80x = 6,247,548,197.34
  5. Step 5: Solve for x
    x = 6,247,548,197.34/68,267.80
  6. Step 6: Final answer
    x = 91,515.30

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