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Finding the Fourth Proportional to 104,345.54, 143,975.84 and 66,120.02

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Solution

The fourth proportional to 104,345.54, 143,975.84 and 66,120.02 is: 91,232.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,345.54 : 143,975.84 = 66,120.02 : x
  2. Step 2: Convert to fraction form
    104,345.54/143,975.84 = 66,120.02/x
  3. Step 3: Cross multiply
    104,345.54x = 143,975.84 × 66,120.02
  4. Step 4: Simplify right side
    104,345.54x = 9,519,685,420.32
  5. Step 5: Solve for x
    x = 9,519,685,420.32/104,345.54
  6. Step 6: Final answer
    x = 91,232.32

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