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Finding the Fourth Proportional to 103,627.80, 155,375.08 and 68,047.08

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Solution

The fourth proportional to 103,627.80, 155,375.08 and 68,047.08 is: 102,026.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,627.80 : 155,375.08 = 68,047.08 : x
  2. Step 2: Convert to fraction form
    103,627.80/155,375.08 = 68,047.08/x
  3. Step 3: Cross multiply
    103,627.80x = 155,375.08 × 68,047.08
  4. Step 4: Simplify right side
    103,627.80x = 10,572,820,498.77
  5. Step 5: Solve for x
    x = 10,572,820,498.77/103,627.80
  6. Step 6: Final answer
    x = 102,026.87

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