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Finding the Fourth Proportional to 118,230.80, 177,346.20 and 111,232.40

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Solution

The fourth proportional to 118,230.80, 177,346.20 and 111,232.40 is: 166,848.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,230.80 : 177,346.20 = 111,232.40 : x
  2. Step 2: Convert to fraction form
    118,230.80/177,346.20 = 111,232.40/x
  3. Step 3: Cross multiply
    118,230.80x = 177,346.20 × 111,232.40
  4. Step 4: Simplify right side
    118,230.80x = 19,726,643,456.88
  5. Step 5: Solve for x
    x = 19,726,643,456.88/118,230.80
  6. Step 6: Final answer
    x = 166,848.60

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