Home / 251,105.15-376,561.32-106,919.61

Finding the Fourth Proportional to 251,105.15, 376,561.32 and 106,919.61

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Solution

The fourth proportional to 251,105.15, 376,561.32 and 106,919.61 is: 160,338.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,105.15 : 376,561.32 = 106,919.61 : x
  2. Step 2: Convert to fraction form
    251,105.15/376,561.32 = 106,919.61/x
  3. Step 3: Cross multiply
    251,105.15x = 376,561.32 × 106,919.61
  4. Step 4: Simplify right side
    251,105.15x = 40,261,789,475.49
  5. Step 5: Solve for x
    x = 40,261,789,475.49/251,105.15
  6. Step 6: Final answer
    x = 160,338.37

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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.