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Finding the Fourth Proportional to 233,195.20, 349,706.40 and 75,428.80

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Solution

The fourth proportional to 233,195.20, 349,706.40 and 75,428.80 is: 113,115.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,195.20 : 349,706.40 = 75,428.80 : x
  2. Step 2: Convert to fraction form
    233,195.20/349,706.40 = 75,428.80/x
  3. Step 3: Cross multiply
    233,195.20x = 349,706.40 × 75,428.80
  4. Step 4: Simplify right side
    233,195.20x = 26,377,934,104.32
  5. Step 5: Solve for x
    x = 26,377,934,104.32/233,195.20
  6. Step 6: Final answer
    x = 113,115.25

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