Home / 251,016.20-346,398.41-137,838.95

Finding the Fourth Proportional to 251,016.20, 346,398.41 and 137,838.95

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Solution

The fourth proportional to 251,016.20, 346,398.41 and 137,838.95 is: 190,215.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,016.20 : 346,398.41 = 137,838.95 : x
  2. Step 2: Convert to fraction form
    251,016.20/346,398.41 = 137,838.95/x
  3. Step 3: Cross multiply
    251,016.20x = 346,398.41 × 137,838.95
  4. Step 4: Simplify right side
    251,016.20x = 47,747,190,694.88
  5. Step 5: Solve for x
    x = 47,747,190,694.88/251,016.20
  6. Step 6: Final answer
    x = 190,215.58

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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.