Home / 251,074.97-346,399.17-142,164.42

Finding the Fourth Proportional to 251,074.97, 346,399.17 and 142,164.42

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Solution

The fourth proportional to 251,074.97, 346,399.17 and 142,164.42 is: 196,139.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,074.97 : 346,399.17 = 142,164.42 : x
  2. Step 2: Convert to fraction form
    251,074.97/346,399.17 = 142,164.42/x
  3. Step 3: Cross multiply
    251,074.97x = 346,399.17 × 142,164.42
  4. Step 4: Simplify right side
    251,074.97x = 49,245,635,359.54
  5. Step 5: Solve for x
    x = 49,245,635,359.54/251,074.97
  6. Step 6: Final answer
    x = 196,139.17

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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.