Home / 253,604.46-349,974.14-140,427.21

Finding the Fourth Proportional to 253,604.46, 349,974.14 and 140,427.21

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Solution

The fourth proportional to 253,604.46, 349,974.14 and 140,427.21 is: 193,789.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,604.46 : 349,974.14 = 140,427.21 : x
  2. Step 2: Convert to fraction form
    253,604.46/349,974.14 = 140,427.21/x
  3. Step 3: Cross multiply
    253,604.46x = 349,974.14 × 140,427.21
  4. Step 4: Simplify right side
    253,604.46x = 49,145,891,350.21
  5. Step 5: Solve for x
    x = 49,145,891,350.21/253,604.46
  6. Step 6: Final answer
    x = 193,789.54

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1.5x scale

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.