Home / 255,379.82-352,435.08-142,202.56

Finding the Fourth Proportional to 255,379.82, 352,435.08 and 142,202.56

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Solution

The fourth proportional to 255,379.82, 352,435.08 and 142,202.56 is: 196,245.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,379.82 : 352,435.08 = 142,202.56 : x
  2. Step 2: Convert to fraction form
    255,379.82/352,435.08 = 142,202.56/x
  3. Step 3: Cross multiply
    255,379.82x = 352,435.08 × 142,202.56
  4. Step 4: Simplify right side
    255,379.82x = 50,117,170,609.80
  5. Step 5: Solve for x
    x = 50,117,170,609.80/255,379.82
  6. Step 6: Final answer
    x = 196,245.62

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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.