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Finding the Fourth Proportional to 104,821.86, 157,194.72 and 45,643.26

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Solution

The fourth proportional to 104,821.86, 157,194.72 and 45,643.26 is: 68,448.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,821.86 : 157,194.72 = 45,643.26 : x
  2. Step 2: Convert to fraction form
    104,821.86/157,194.72 = 45,643.26/x
  3. Step 3: Cross multiply
    104,821.86x = 157,194.72 × 45,643.26
  4. Step 4: Simplify right side
    104,821.86x = 7,174,879,475.59
  5. Step 5: Solve for x
    x = 7,174,879,475.59/104,821.86
  6. Step 6: Final answer
    x = 68,448.31

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