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Finding the Fourth Proportional to 108,688.43, 149,961.65 and 62,736.82

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Solution

The fourth proportional to 108,688.43, 149,961.65 and 62,736.82 is: 86,560.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,688.43 : 149,961.65 = 62,736.82 : x
  2. Step 2: Convert to fraction form
    108,688.43/149,961.65 = 62,736.82/x
  3. Step 3: Cross multiply
    108,688.43x = 149,961.65 × 62,736.82
  4. Step 4: Simplify right side
    108,688.43x = 9,408,116,354.36
  5. Step 5: Solve for x
    x = 9,408,116,354.36/108,688.43
  6. Step 6: Final answer
    x = 86,560.42

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