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Finding the Fourth Proportional to 166,720.32, 230,074.05 and 91,268.82

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Solution

The fourth proportional to 166,720.32, 230,074.05 and 91,268.82 is: 125,950.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,720.32 : 230,074.05 = 91,268.82 : x
  2. Step 2: Convert to fraction form
    166,720.32/230,074.05 = 91,268.82/x
  3. Step 3: Cross multiply
    166,720.32x = 230,074.05 × 91,268.82
  4. Step 4: Simplify right side
    166,720.32x = 20,998,587,056.12
  5. Step 5: Solve for x
    x = 20,998,587,056.12/166,720.32
  6. Step 6: Final answer
    x = 125,950.98

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