Home / 251,315.22-346,816.98-138,137.97

Finding the Fourth Proportional to 251,315.22, 346,816.98 and 138,137.97

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Solution

The fourth proportional to 251,315.22, 346,816.98 and 138,137.97 is: 190,631.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,315.22 : 346,816.98 = 138,137.97 : x
  2. Step 2: Convert to fraction form
    251,315.22/346,816.98 = 138,137.97/x
  3. Step 3: Cross multiply
    251,315.22x = 346,816.98 × 138,137.97
  4. Step 4: Simplify right side
    251,315.22x = 47,908,593,578.73
  5. Step 5: Solve for x
    x = 47,908,593,578.73/251,315.22
  6. Step 6: Final answer
    x = 190,631.48

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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.