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Finding the Fourth Proportional to 140,371.29, 193,657.43 and 86,562.90

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Solution

The fourth proportional to 140,371.29, 193,657.43 and 86,562.90 is: 119,422.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,371.29 : 193,657.43 = 86,562.90 : x
  2. Step 2: Convert to fraction form
    140,371.29/193,657.43 = 86,562.90/x
  3. Step 3: Cross multiply
    140,371.29x = 193,657.43 × 86,562.90
  4. Step 4: Simplify right side
    140,371.29x = 16,763,548,314.53
  5. Step 5: Solve for x
    x = 16,763,548,314.53/140,371.29
  6. Step 6: Final answer
    x = 119,422.91

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