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Finding the Fourth Proportional to 117,846.80, 176,770.20 and 71,190.80

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Solution

The fourth proportional to 117,846.80, 176,770.20 and 71,190.80 is: 106,786.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,846.80 : 176,770.20 = 71,190.80 : x
  2. Step 2: Convert to fraction form
    117,846.80/176,770.20 = 71,190.80/x
  3. Step 3: Cross multiply
    117,846.80x = 176,770.20 × 71,190.80
  4. Step 4: Simplify right side
    117,846.80x = 12,584,411,954.16
  5. Step 5: Solve for x
    x = 12,584,411,954.16/117,846.80
  6. Step 6: Final answer
    x = 106,786.20

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