Home / 212,932.99-319,399.49-55,161.46

Finding the Fourth Proportional to 212,932.99, 319,399.49 and 55,161.46

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Solution

The fourth proportional to 212,932.99, 319,399.49 and 55,161.46 is: 82,742.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,932.99 : 319,399.49 = 55,161.46 : x
  2. Step 2: Convert to fraction form
    212,932.99/319,399.49 = 55,161.46/x
  3. Step 3: Cross multiply
    212,932.99x = 319,399.49 × 55,161.46
  4. Step 4: Simplify right side
    212,932.99x = 17,618,542,191.66
  5. Step 5: Solve for x
    x = 17,618,542,191.66/212,932.99
  6. Step 6: Final answer
    x = 82,742.19

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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.