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Finding the Fourth Proportional to 255,937.20, 383,905.80 and 113,782.20

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Solution

The fourth proportional to 255,937.20, 383,905.80 and 113,782.20 is: 170,673.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,937.20 : 383,905.80 = 113,782.20 : x
  2. Step 2: Convert to fraction form
    255,937.20/383,905.80 = 113,782.20/x
  3. Step 3: Cross multiply
    255,937.20x = 383,905.80 × 113,782.20
  4. Step 4: Simplify right side
    255,937.20x = 43,681,646,516.76
  5. Step 5: Solve for x
    x = 43,681,646,516.76/255,937.20
  6. Step 6: Final answer
    x = 170,673.30

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