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Finding the Fourth Proportional to 117,640.20, 176,460.30 and 111,808.20

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Solution

The fourth proportional to 117,640.20, 176,460.30 and 111,808.20 is: 167,712.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,640.20 : 176,460.30 = 111,808.20 : x
  2. Step 2: Convert to fraction form
    117,640.20/176,460.30 = 111,808.20/x
  3. Step 3: Cross multiply
    117,640.20x = 176,460.30 × 111,808.20
  4. Step 4: Simplify right side
    117,640.20x = 19,729,708,514.46
  5. Step 5: Solve for x
    x = 19,729,708,514.46/117,640.20
  6. Step 6: Final answer
    x = 167,712.30

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