Home / 256,149.46-353,491.82-141,427.72

Finding the Fourth Proportional to 256,149.46, 353,491.82 and 141,427.72

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Solution

The fourth proportional to 256,149.46, 353,491.82 and 141,427.72 is: 195,173.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,149.46 : 353,491.82 = 141,427.72 : x
  2. Step 2: Convert to fraction form
    256,149.46/353,491.82 = 141,427.72/x
  3. Step 3: Cross multiply
    256,149.46x = 353,491.82 × 141,427.72
  4. Step 4: Simplify right side
    256,149.46x = 49,993,542,141.25
  5. Step 5: Solve for x
    x = 49,993,542,141.25/256,149.46
  6. Step 6: Final answer
    x = 195,173.33

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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.