Home / 214,768.20-321,678.60-134,544.96

Finding the Fourth Proportional to 214,768.20, 321,678.60 and 134,544.96

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Solution

The fourth proportional to 214,768.20, 321,678.60 and 134,544.96 is: 201,520.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,768.20 : 321,678.60 = 134,544.96 : x
  2. Step 2: Convert to fraction form
    214,768.20/321,678.60 = 134,544.96/x
  3. Step 3: Cross multiply
    214,768.20x = 321,678.60 × 134,544.96
  4. Step 4: Simplify right side
    214,768.20x = 43,280,234,369.86
  5. Step 5: Solve for x
    x = 43,280,234,369.86/214,768.20
  6. Step 6: Final answer
    x = 201,520.68

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