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Finding the Fourth Proportional to 108,607.20, 162,959.40 and 49,412.40

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Solution

The fourth proportional to 108,607.20, 162,959.40 and 49,412.40 is: 74,140.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,607.20 : 162,959.40 = 49,412.40 : x
  2. Step 2: Convert to fraction form
    108,607.20/162,959.40 = 49,412.40/x
  3. Step 3: Cross multiply
    108,607.20x = 162,959.40 × 49,412.40
  4. Step 4: Simplify right side
    108,607.20x = 8,052,215,056.56
  5. Step 5: Solve for x
    x = 8,052,215,056.56/108,607.20
  6. Step 6: Final answer
    x = 74,140.71

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