Home / 235,741.30-325,330.05-145,149.54

Finding the Fourth Proportional to 235,741.30, 325,330.05 and 145,149.54

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Solution

The fourth proportional to 235,741.30, 325,330.05 and 145,149.54 is: 200,310.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,741.30 : 325,330.05 = 145,149.54 : x
  2. Step 2: Convert to fraction form
    235,741.30/325,330.05 = 145,149.54/x
  3. Step 3: Cross multiply
    235,741.30x = 325,330.05 × 145,149.54
  4. Step 4: Simplify right side
    235,741.30x = 47,221,507,105.68
  5. Step 5: Solve for x
    x = 47,221,507,105.68/235,741.30
  6. Step 6: Final answer
    x = 200,310.71

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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.