Home / 212,773.93-319,171.83-55,003.75

Finding the Fourth Proportional to 212,773.93, 319,171.83 and 55,003.75

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Solution

The fourth proportional to 212,773.93, 319,171.83 and 55,003.75 is: 82,508.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,773.93 : 319,171.83 = 55,003.75 : x
  2. Step 2: Convert to fraction form
    212,773.93/319,171.83 = 55,003.75/x
  3. Step 3: Cross multiply
    212,773.93x = 319,171.83 × 55,003.75
  4. Step 4: Simplify right side
    212,773.93x = 17,555,647,544.36
  5. Step 5: Solve for x
    x = 17,555,647,544.36/212,773.93
  6. Step 6: Final answer
    x = 82,508.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.