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Finding the Fourth Proportional to 188,694.72, 283,015.68 and 70,350.72

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Solution

The fourth proportional to 188,694.72, 283,015.68 and 70,350.72 is: 105,516.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,694.72 : 283,015.68 = 70,350.72 : x
  2. Step 2: Convert to fraction form
    188,694.72/283,015.68 = 70,350.72/x
  3. Step 3: Cross multiply
    188,694.72x = 283,015.68 × 70,350.72
  4. Step 4: Simplify right side
    188,694.72x = 19,910,356,859.29
  5. Step 5: Solve for x
    x = 19,910,356,859.29/188,694.72
  6. Step 6: Final answer
    x = 105,516.24

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