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Finding the Fourth Proportional to 117,930.80, 176,896.20 and 113,265.20

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Solution

The fourth proportional to 117,930.80, 176,896.20 and 113,265.20 is: 169,897.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,930.80 : 176,896.20 = 113,265.20 : x
  2. Step 2: Convert to fraction form
    117,930.80/176,896.20 = 113,265.20/x
  3. Step 3: Cross multiply
    117,930.80x = 176,896.20 × 113,265.20
  4. Step 4: Simplify right side
    117,930.80x = 20,036,183,472.24
  5. Step 5: Solve for x
    x = 20,036,183,472.24/117,930.80
  6. Step 6: Final answer
    x = 169,897.80

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