Home / 255,416.26-352,449.21-142,249.54

Finding the Fourth Proportional to 255,416.26, 352,449.21 and 142,249.54

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Solution

The fourth proportional to 255,416.26, 352,449.21 and 142,249.54 is: 196,290.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,416.26 : 352,449.21 = 142,249.54 : x
  2. Step 2: Convert to fraction form
    255,416.26/352,449.21 = 142,249.54/x
  3. Step 3: Cross multiply
    255,416.26x = 352,449.21 × 142,249.54
  4. Step 4: Simplify right side
    255,416.26x = 50,135,737,995.86
  5. Step 5: Solve for x
    x = 50,135,737,995.86/255,416.26
  6. Step 6: Final answer
    x = 196,290.31

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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.