Home / 212,944.24-319,391.52-55,160.56

Finding the Fourth Proportional to 212,944.24, 319,391.52 and 55,160.56

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Solution

The fourth proportional to 212,944.24, 319,391.52 and 55,160.56 is: 82,734.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,944.24 : 319,391.52 = 55,160.56 : x
  2. Step 2: Convert to fraction form
    212,944.24/319,391.52 = 55,160.56/x
  3. Step 3: Cross multiply
    212,944.24x = 319,391.52 × 55,160.56
  4. Step 4: Simplify right side
    212,944.24x = 17,617,815,102.45
  5. Step 5: Solve for x
    x = 17,617,815,102.45/212,944.24
  6. Step 6: Final answer
    x = 82,734.41

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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.