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Finding the Fourth Proportional to 107,830.20, 161,745.30 and 37,716.60

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Solution

The fourth proportional to 107,830.20, 161,745.30 and 37,716.60 is: 56,574.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,830.20 : 161,745.30 = 37,716.60 : x
  2. Step 2: Convert to fraction form
    107,830.20/161,745.30 = 37,716.60/x
  3. Step 3: Cross multiply
    107,830.20x = 161,745.30 × 37,716.60
  4. Step 4: Simplify right side
    107,830.20x = 6,100,482,781.98
  5. Step 5: Solve for x
    x = 6,100,482,781.98/107,830.20
  6. Step 6: Final answer
    x = 56,574.90

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