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Finding the Fourth Proportional to 108,310.80, 162,271.80 and 92,758.80

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Solution

The fourth proportional to 108,310.80, 162,271.80 and 92,758.80 is: 138,971.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,310.80 : 162,271.80 = 92,758.80 : x
  2. Step 2: Convert to fraction form
    108,310.80/162,271.80 = 92,758.80/x
  3. Step 3: Cross multiply
    108,310.80x = 162,271.80 × 92,758.80
  4. Step 4: Simplify right side
    108,310.80x = 15,052,137,441.84
  5. Step 5: Solve for x
    x = 15,052,137,441.84/108,310.80
  6. Step 6: Final answer
    x = 138,971.71

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