Home / 255,416.33-352,449.30-142,249.61

Finding the Fourth Proportional to 255,416.33, 352,449.30 and 142,249.61

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Solution

The fourth proportional to 255,416.33, 352,449.30 and 142,249.61 is: 196,290.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,416.33 : 352,449.30 = 142,249.61 : x
  2. Step 2: Convert to fraction form
    255,416.33/352,449.30 = 142,249.61/x
  3. Step 3: Cross multiply
    255,416.33x = 352,449.30 × 142,249.61
  4. Step 4: Simplify right side
    255,416.33x = 50,135,772,996.28
  5. Step 5: Solve for x
    x = 50,135,772,996.28/255,416.33
  6. Step 6: Final answer
    x = 196,290.40

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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.