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Finding the Fourth Proportional to 117,867.88, 162,661.12 and 64,156.36

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Solution

The fourth proportional to 117,867.88, 162,661.12 and 64,156.36 is: 88,537.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,867.88 : 162,661.12 = 64,156.36 : x
  2. Step 2: Convert to fraction form
    117,867.88/162,661.12 = 64,156.36/x
  3. Step 3: Cross multiply
    117,867.88x = 162,661.12 × 64,156.36
  4. Step 4: Simplify right side
    117,867.88x = 10,435,745,372.72
  5. Step 5: Solve for x
    x = 10,435,745,372.72/117,867.88
  6. Step 6: Final answer
    x = 88,537.65

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