Home / 251,049.12-346,364.34-149,105.76

Finding the Fourth Proportional to 251,049.12, 346,364.34 and 149,105.76

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Solution

The fourth proportional to 251,049.12, 346,364.34 and 149,105.76 is: 205,716.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,049.12 : 346,364.34 = 149,105.76 : x
  2. Step 2: Convert to fraction form
    251,049.12/346,364.34 = 149,105.76/x
  3. Step 3: Cross multiply
    251,049.12x = 346,364.34 × 149,105.76
  4. Step 4: Simplify right side
    251,049.12x = 51,644,918,152.60
  5. Step 5: Solve for x
    x = 51,644,918,152.60/251,049.12
  6. Step 6: Final answer
    x = 205,716.39

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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.