Home / 251,118.20-376,677.30-84,906.20

Finding the Fourth Proportional to 251,118.20, 376,677.30 and 84,906.20

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Solution

The fourth proportional to 251,118.20, 376,677.30 and 84,906.20 is: 127,359.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,118.20 : 376,677.30 = 84,906.20 : x
  2. Step 2: Convert to fraction form
    251,118.20/376,677.30 = 84,906.20/x
  3. Step 3: Cross multiply
    251,118.20x = 376,677.30 × 84,906.20
  4. Step 4: Simplify right side
    251,118.20x = 31,982,238,169.26
  5. Step 5: Solve for x
    x = 31,982,238,169.26/251,118.20
  6. Step 6: Final answer
    x = 127,359.30

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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.