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Finding the Fourth Proportional to 108,045.80, 161,874.30 and 92,493.80

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Solution

The fourth proportional to 108,045.80, 161,874.30 and 92,493.80 is: 138,574.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,045.80 : 161,874.30 = 92,493.80 : x
  2. Step 2: Convert to fraction form
    108,045.80/161,874.30 = 92,493.80/x
  3. Step 3: Cross multiply
    108,045.80x = 161,874.30 × 92,493.80
  4. Step 4: Simplify right side
    108,045.80x = 14,972,369,129.34
  5. Step 5: Solve for x
    x = 14,972,369,129.34/108,045.80
  6. Step 6: Final answer
    x = 138,574.28

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