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Finding the Fourth Proportional to 92,231.56, 138,230.78 and 49,430.62

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Solution

The fourth proportional to 92,231.56, 138,230.78 and 49,430.62 is: 74,083.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,231.56 : 138,230.78 = 49,430.62 : x
  2. Step 2: Convert to fraction form
    92,231.56/138,230.78 = 49,430.62/x
  3. Step 3: Cross multiply
    92,231.56x = 138,230.78 × 49,430.62
  4. Step 4: Simplify right side
    92,231.56x = 6,832,833,128.04
  5. Step 5: Solve for x
    x = 6,832,833,128.04/92,231.56
  6. Step 6: Final answer
    x = 74,083.46

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