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Finding the Fourth Proportional to 167,420.80, 251,131.20 and 56,612.80

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Solution

The fourth proportional to 167,420.80, 251,131.20 and 56,612.80 is: 84,919.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,420.80 : 251,131.20 = 56,612.80 : x
  2. Step 2: Convert to fraction form
    167,420.80/251,131.20 = 56,612.80/x
  3. Step 3: Cross multiply
    167,420.80x = 251,131.20 × 56,612.80
  4. Step 4: Simplify right side
    167,420.80x = 14,217,240,399.36
  5. Step 5: Solve for x
    x = 14,217,240,399.36/167,420.80
  6. Step 6: Final answer
    x = 84,919.20

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