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Finding the Fourth Proportional to 103,734.40, 155,342.40 and 82,998.40

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Solution

The fourth proportional to 103,734.40, 155,342.40 and 82,998.40 is: 124,290.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,734.40 : 155,342.40 = 82,998.40 : x
  2. Step 2: Convert to fraction form
    103,734.40/155,342.40 = 82,998.40/x
  3. Step 3: Cross multiply
    103,734.40x = 155,342.40 × 82,998.40
  4. Step 4: Simplify right side
    103,734.40x = 12,893,170,652.16
  5. Step 5: Solve for x
    x = 12,893,170,652.16/103,734.40
  6. Step 6: Final answer
    x = 124,290.21

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