Home / 251,127.11-376,745.22-82,664.54

Finding the Fourth Proportional to 251,127.11, 376,745.22 and 82,664.54

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Solution

The fourth proportional to 251,127.11, 376,745.22 and 82,664.54 is: 124,014.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,127.11 : 376,745.22 = 82,664.54 : x
  2. Step 2: Convert to fraction form
    251,127.11/376,745.22 = 82,664.54/x
  3. Step 3: Cross multiply
    251,127.11x = 376,745.22 × 82,664.54
  4. Step 4: Simplify right side
    251,127.11x = 31,143,470,308.50
  5. Step 5: Solve for x
    x = 31,143,470,308.50/251,127.11
  6. Step 6: Final answer
    x = 124,014.77

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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.