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Finding the Fourth Proportional to 214,883.76, 322,325.68 and 67,139.76

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Solution

The fourth proportional to 214,883.76, 322,325.68 and 67,139.76 is: 100,709.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,883.76 : 322,325.68 = 67,139.76 : x
  2. Step 2: Convert to fraction form
    214,883.76/322,325.68 = 67,139.76/x
  3. Step 3: Cross multiply
    214,883.76x = 322,325.68 × 67,139.76
  4. Step 4: Simplify right side
    214,883.76x = 21,640,868,797.04
  5. Step 5: Solve for x
    x = 21,640,868,797.04/214,883.76
  6. Step 6: Final answer
    x = 100,709.65

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