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Finding the Fourth Proportional to 175,616.40, 242,285.40 and 111,939.60

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Solution

The fourth proportional to 175,616.40, 242,285.40 and 111,939.60 is: 154,435.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,616.40 : 242,285.40 = 111,939.60 : x
  2. Step 2: Convert to fraction form
    175,616.40/242,285.40 = 111,939.60/x
  3. Step 3: Cross multiply
    175,616.40x = 242,285.40 × 111,939.60
  4. Step 4: Simplify right side
    175,616.40x = 27,121,330,761.84
  5. Step 5: Solve for x
    x = 27,121,330,761.84/175,616.40
  6. Step 6: Final answer
    x = 154,435.07

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