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Finding the Fourth Proportional to 208,922.25, 313,507.90 and 75,812.90

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Solution

The fourth proportional to 208,922.25, 313,507.90 and 75,812.90 is: 113,764.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,922.25 : 313,507.90 = 75,812.90 : x
  2. Step 2: Convert to fraction form
    208,922.25/313,507.90 = 75,812.90/x
  3. Step 3: Cross multiply
    208,922.25x = 313,507.90 × 75,812.90
  4. Step 4: Simplify right side
    208,922.25x = 23,767,941,599.14
  5. Step 5: Solve for x
    x = 23,767,941,599.14/208,922.25
  6. Step 6: Final answer
    x = 113,764.53

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