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Finding the Fourth Proportional to 117,867.39, 162,660.44 and 64,155.88

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Solution

The fourth proportional to 117,867.39, 162,660.44 and 64,155.88 is: 88,536.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,867.39 : 162,660.44 = 64,155.88 : x
  2. Step 2: Convert to fraction form
    117,867.39/162,660.44 = 64,155.88/x
  3. Step 3: Cross multiply
    117,867.39x = 162,660.44 × 64,155.88
  4. Step 4: Simplify right side
    117,867.39x = 10,435,623,669.39
  5. Step 5: Solve for x
    x = 10,435,623,669.39/117,867.39
  6. Step 6: Final answer
    x = 88,536.99

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