Home / 251,371.82-346,895.37-136,650.69

Finding the Fourth Proportional to 251,371.82, 346,895.37 and 136,650.69

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Solution

The fourth proportional to 251,371.82, 346,895.37 and 136,650.69 is: 188,579.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,371.82 : 346,895.37 = 136,650.69 : x
  2. Step 2: Convert to fraction form
    251,371.82/346,895.37 = 136,650.69/x
  3. Step 3: Cross multiply
    251,371.82x = 346,895.37 × 136,650.69
  4. Step 4: Simplify right side
    251,371.82x = 47,403,491,668.31
  5. Step 5: Solve for x
    x = 47,403,491,668.31/251,371.82
  6. Step 6: Final answer
    x = 188,579.18

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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.