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Finding the Fourth Proportional to 103,416.70, 155,138.28 and 36,863.55

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Solution

The fourth proportional to 103,416.70, 155,138.28 and 36,863.55 is: 55,300.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,416.70 : 155,138.28 = 36,863.55 : x
  2. Step 2: Convert to fraction form
    103,416.70/155,138.28 = 36,863.55/x
  3. Step 3: Cross multiply
    103,416.70x = 155,138.28 × 36,863.55
  4. Step 4: Simplify right side
    103,416.70x = 5,718,947,741.69
  5. Step 5: Solve for x
    x = 5,718,947,741.69/103,416.70
  6. Step 6: Final answer
    x = 55,300.04

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