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Finding the Fourth Proportional to 117,464.87, 162,078.07 and 71,493.72

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Solution

The fourth proportional to 117,464.87, 162,078.07 and 71,493.72 is: 98,647.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,464.87 : 162,078.07 = 71,493.72 : x
  2. Step 2: Convert to fraction form
    117,464.87/162,078.07 = 71,493.72/x
  3. Step 3: Cross multiply
    117,464.87x = 162,078.07 × 71,493.72
  4. Step 4: Simplify right side
    117,464.87x = 11,587,564,154.72
  5. Step 5: Solve for x
    x = 11,587,564,154.72/117,464.87
  6. Step 6: Final answer
    x = 98,647.06

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