Home / 251,221.85-346,682.22-138,042.17

Finding the Fourth Proportional to 251,221.85, 346,682.22 and 138,042.17

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Solution

The fourth proportional to 251,221.85, 346,682.22 and 138,042.17 is: 190,496.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,221.85 : 346,682.22 = 138,042.17 : x
  2. Step 2: Convert to fraction form
    251,221.85/346,682.22 = 138,042.17/x
  3. Step 3: Cross multiply
    251,221.85x = 346,682.22 × 138,042.17
  4. Step 4: Simplify right side
    251,221.85x = 47,856,765,949.22
  5. Step 5: Solve for x
    x = 47,856,765,949.22/251,221.85
  6. Step 6: Final answer
    x = 190,496.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.