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Finding the Fourth Proportional to 236,722.80, 355,084.20 and 126,130.80

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Solution

The fourth proportional to 236,722.80, 355,084.20 and 126,130.80 is: 189,196.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,722.80 : 355,084.20 = 126,130.80 : x
  2. Step 2: Convert to fraction form
    236,722.80/355,084.20 = 126,130.80/x
  3. Step 3: Cross multiply
    236,722.80x = 355,084.20 × 126,130.80
  4. Step 4: Simplify right side
    236,722.80x = 44,787,054,213.36
  5. Step 5: Solve for x
    x = 44,787,054,213.36/236,722.80
  6. Step 6: Final answer
    x = 189,196.20

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