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Finding the Fourth Proportional to 100,453.28, 150,680.64 and 46,412.96

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Solution

The fourth proportional to 100,453.28, 150,680.64 and 46,412.96 is: 69,619.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,453.28 : 150,680.64 = 46,412.96 : x
  2. Step 2: Convert to fraction form
    100,453.28/150,680.64 = 46,412.96/x
  3. Step 3: Cross multiply
    100,453.28x = 150,680.64 × 46,412.96
  4. Step 4: Simplify right side
    100,453.28x = 6,993,534,517.09
  5. Step 5: Solve for x
    x = 6,993,534,517.09/100,453.28
  6. Step 6: Final answer
    x = 69,619.77

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