Home / 251,081.26-376,633.28-71,179.56

Finding the Fourth Proportional to 251,081.26, 376,633.28 and 71,179.56

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Solution

The fourth proportional to 251,081.26, 376,633.28 and 71,179.56 is: 106,772.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,081.26 : 376,633.28 = 71,179.56 : x
  2. Step 2: Convert to fraction form
    251,081.26/376,633.28 = 71,179.56/x
  3. Step 3: Cross multiply
    251,081.26x = 376,633.28 × 71,179.56
  4. Step 4: Simplify right side
    251,081.26x = 26,808,591,151.76
  5. Step 5: Solve for x
    x = 26,808,591,151.76/251,081.26
  6. Step 6: Final answer
    x = 106,772.57

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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.