Home / 251,231.16-376,898.66-82,761.72

Finding the Fourth Proportional to 251,231.16, 376,898.66 and 82,761.72

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Solution

The fourth proportional to 251,231.16, 376,898.66 and 82,761.72 is: 124,159.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,231.16 : 376,898.66 = 82,761.72 : x
  2. Step 2: Convert to fraction form
    251,231.16/376,898.66 = 82,761.72/x
  3. Step 3: Cross multiply
    251,231.16x = 376,898.66 × 82,761.72
  4. Step 4: Simplify right side
    251,231.16x = 31,192,781,367.30
  5. Step 5: Solve for x
    x = 31,192,781,367.30/251,231.16
  6. Step 6: Final answer
    x = 124,159.68

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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.