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Finding the Fourth Proportional to 103,667.37, 155,482.21 and 28,768.69

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Solution

The fourth proportional to 103,667.37, 155,482.21 and 28,768.69 is: 43,147.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,667.37 : 155,482.21 = 28,768.69 : x
  2. Step 2: Convert to fraction form
    103,667.37/155,482.21 = 28,768.69/x
  3. Step 3: Cross multiply
    103,667.37x = 155,482.21 × 28,768.69
  4. Step 4: Simplify right side
    103,667.37x = 4,473,019,500.00
  5. Step 5: Solve for x
    x = 4,473,019,500.00/103,667.37
  6. Step 6: Final answer
    x = 43,147.81

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