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Finding the Fourth Proportional to 92,230.31, 138,361.23 and 42,314.68

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Solution

The fourth proportional to 92,230.31, 138,361.23 and 42,314.68 is: 63,479.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,230.31 : 138,361.23 = 42,314.68 : x
  2. Step 2: Convert to fraction form
    92,230.31/138,361.23 = 42,314.68/x
  3. Step 3: Cross multiply
    92,230.31x = 138,361.23 × 42,314.68
  4. Step 4: Simplify right side
    92,230.31x = 5,854,711,171.86
  5. Step 5: Solve for x
    x = 5,854,711,171.86/92,230.31
  6. Step 6: Final answer
    x = 63,479.25

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