Home / 251,219.85-346,679.46-138,040.17

Finding the Fourth Proportional to 251,219.85, 346,679.46 and 138,040.17

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Solution

The fourth proportional to 251,219.85, 346,679.46 and 138,040.17 is: 190,493.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,219.85 : 346,679.46 = 138,040.17 : x
  2. Step 2: Convert to fraction form
    251,219.85/346,679.46 = 138,040.17/x
  3. Step 3: Cross multiply
    251,219.85x = 346,679.46 × 138,040.17
  4. Step 4: Simplify right side
    251,219.85x = 47,855,691,593.91
  5. Step 5: Solve for x
    x = 47,855,691,593.91/251,219.85
  6. Step 6: Final answer
    x = 190,493.27

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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.