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Finding the Fourth Proportional to 504,186.20, 756,280.80 and 130,209.20

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Solution

The fourth proportional to 504,186.20, 756,280.80 and 130,209.20 is: 195,314.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,186.20 : 756,280.80 = 130,209.20 : x
  2. Step 2: Convert to fraction form
    504,186.20/756,280.80 = 130,209.20/x
  3. Step 3: Cross multiply
    504,186.20x = 756,280.80 × 130,209.20
  4. Step 4: Simplify right side
    504,186.20x = 98,474,714,161.96
  5. Step 5: Solve for x
    x = 98,474,714,161.96/504,186.20
  6. Step 6: Final answer
    x = 195,314.18

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