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Finding the Fourth Proportional to 91,600.14, 126,405.99 and 51,315.60

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Solution

The fourth proportional to 91,600.14, 126,405.99 and 51,315.60 is: 70,814.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,600.14 : 126,405.99 = 51,315.60 : x
  2. Step 2: Convert to fraction form
    91,600.14/126,405.99 = 51,315.60/x
  3. Step 3: Cross multiply
    91,600.14x = 126,405.99 × 51,315.60
  4. Step 4: Simplify right side
    91,600.14x = 6,486,599,220.44
  5. Step 5: Solve for x
    x = 6,486,599,220.44/91,600.14
  6. Step 6: Final answer
    x = 70,814.29

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