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Finding the Fourth Proportional to 108,459.30, 162,579.60 and 49,337.40

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Solution

The fourth proportional to 108,459.30, 162,579.60 and 49,337.40 is: 73,956.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,459.30 : 162,579.60 = 49,337.40 : x
  2. Step 2: Convert to fraction form
    108,459.30/162,579.60 = 49,337.40/x
  3. Step 3: Cross multiply
    108,459.30x = 162,579.60 × 49,337.40
  4. Step 4: Simplify right side
    108,459.30x = 8,021,254,757.04
  5. Step 5: Solve for x
    x = 8,021,254,757.04/108,459.30
  6. Step 6: Final answer
    x = 73,956.36

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