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Finding the Fourth Proportional to 143,080.56, 214,653.24 and 76,485.60

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Solution

The fourth proportional to 143,080.56, 214,653.24 and 76,485.60 is: 114,745.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,080.56 : 214,653.24 = 76,485.60 : x
  2. Step 2: Convert to fraction form
    143,080.56/214,653.24 = 76,485.60/x
  3. Step 3: Cross multiply
    143,080.56x = 214,653.24 × 76,485.60
  4. Step 4: Simplify right side
    143,080.56x = 16,417,881,853.34
  5. Step 5: Solve for x
    x = 16,417,881,853.34/143,080.56
  6. Step 6: Final answer
    x = 114,745.72

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