Home / 270,039.16-372,654.66-149,177.80

Finding the Fourth Proportional to 270,039.16, 372,654.66 and 149,177.80

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Solution

The fourth proportional to 270,039.16, 372,654.66 and 149,177.80 is: 205,865.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,039.16 : 372,654.66 = 149,177.80 : x
  2. Step 2: Convert to fraction form
    270,039.16/372,654.66 = 149,177.80/x
  3. Step 3: Cross multiply
    270,039.16x = 372,654.66 × 149,177.80
  4. Step 4: Simplify right side
    270,039.16x = 55,591,802,338.55
  5. Step 5: Solve for x
    x = 55,591,802,338.55/270,039.16
  6. Step 6: Final answer
    x = 205,865.71

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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.