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Finding the Fourth Proportional to 108,697.20, 163,045.80 and 49,648.20

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Solution

The fourth proportional to 108,697.20, 163,045.80 and 49,648.20 is: 74,472.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,697.20 : 163,045.80 = 49,648.20 : x
  2. Step 2: Convert to fraction form
    108,697.20/163,045.80 = 49,648.20/x
  3. Step 3: Cross multiply
    108,697.20x = 163,045.80 × 49,648.20
  4. Step 4: Simplify right side
    108,697.20x = 8,094,930,487.56
  5. Step 5: Solve for x
    x = 8,094,930,487.56/108,697.20
  6. Step 6: Final answer
    x = 74,472.30

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