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Finding the Fourth Proportional to 117,992.16, 162,825.08 and 64,275.80

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Solution

The fourth proportional to 117,992.16, 162,825.08 and 64,275.80 is: 88,698.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,992.16 : 162,825.08 = 64,275.80 : x
  2. Step 2: Convert to fraction form
    117,992.16/162,825.08 = 64,275.80/x
  3. Step 3: Cross multiply
    117,992.16x = 162,825.08 × 64,275.80
  4. Step 4: Simplify right side
    117,992.16x = 10,465,711,141.56
  5. Step 5: Solve for x
    x = 10,465,711,141.56/117,992.16
  6. Step 6: Final answer
    x = 88,698.36

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