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Finding the Fourth Proportional to 108,703.69, 149,960.03 and 76,890.13

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Solution

The fourth proportional to 108,703.69, 149,960.03 and 76,890.13 is: 106,072.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,703.69 : 149,960.03 = 76,890.13 : x
  2. Step 2: Convert to fraction form
    108,703.69/149,960.03 = 76,890.13/x
  3. Step 3: Cross multiply
    108,703.69x = 149,960.03 × 76,890.13
  4. Step 4: Simplify right side
    108,703.69x = 11,530,445,442.15
  5. Step 5: Solve for x
    x = 11,530,445,442.15/108,703.69
  6. Step 6: Final answer
    x = 106,072.26

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