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Finding the Fourth Proportional to 188,287.79, 282,433.97 and 55,170.74

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Solution

The fourth proportional to 188,287.79, 282,433.97 and 55,170.74 is: 82,756.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,287.79 : 282,433.97 = 55,170.74 : x
  2. Step 2: Convert to fraction form
    188,287.79/282,433.97 = 55,170.74/x
  3. Step 3: Cross multiply
    188,287.79x = 282,433.97 × 55,170.74
  4. Step 4: Simplify right side
    188,287.79x = 15,582,090,381.36
  5. Step 5: Solve for x
    x = 15,582,090,381.36/188,287.79
  6. Step 6: Final answer
    x = 82,756.78

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