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Finding the Fourth Proportional to 108,557.60, 162,836.40 and 99,226.40

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Solution

The fourth proportional to 108,557.60, 162,836.40 and 99,226.40 is: 148,839.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,557.60 : 162,836.40 = 99,226.40 : x
  2. Step 2: Convert to fraction form
    108,557.60/162,836.40 = 99,226.40/x
  3. Step 3: Cross multiply
    108,557.60x = 162,836.40 × 99,226.40
  4. Step 4: Simplify right side
    108,557.60x = 16,157,669,760.96
  5. Step 5: Solve for x
    x = 16,157,669,760.96/108,557.60
  6. Step 6: Final answer
    x = 148,839.60

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