Home / 251,115.90-376,733.07-82,649.46

Finding the Fourth Proportional to 251,115.90, 376,733.07 and 82,649.46

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Solution

The fourth proportional to 251,115.90, 376,733.07 and 82,649.46 is: 123,993.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,115.90 : 376,733.07 = 82,649.46 : x
  2. Step 2: Convert to fraction form
    251,115.90/376,733.07 = 82,649.46/x
  3. Step 3: Cross multiply
    251,115.90x = 376,733.07 × 82,649.46
  4. Step 4: Simplify right side
    251,115.90x = 31,136,784,799.64
  5. Step 5: Solve for x
    x = 31,136,784,799.64/251,115.90
  6. Step 6: Final answer
    x = 123,993.68

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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.