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Finding the Fourth Proportional to 106,811.60, 160,217.40 and 51,515.60

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Solution

The fourth proportional to 106,811.60, 160,217.40 and 51,515.60 is: 77,273.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,811.60 : 160,217.40 = 51,515.60 : x
  2. Step 2: Convert to fraction form
    106,811.60/160,217.40 = 51,515.60/x
  3. Step 3: Cross multiply
    106,811.60x = 160,217.40 × 51,515.60
  4. Step 4: Simplify right side
    106,811.60x = 8,253,695,491.44
  5. Step 5: Solve for x
    x = 8,253,695,491.44/106,811.60
  6. Step 6: Final answer
    x = 77,273.40

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