Home / 203,524.07-305,350.49-91,300.55

Finding the Fourth Proportional to 203,524.07, 305,350.49 and 91,300.55

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Solution

The fourth proportional to 203,524.07, 305,350.49 and 91,300.55 is: 136,979.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,524.07 : 305,350.49 = 91,300.55 : x
  2. Step 2: Convert to fraction form
    203,524.07/305,350.49 = 91,300.55/x
  3. Step 3: Cross multiply
    203,524.07x = 305,350.49 × 91,300.55
  4. Step 4: Simplify right side
    203,524.07x = 27,878,667,223.27
  5. Step 5: Solve for x
    x = 27,878,667,223.27/203,524.07
  6. Step 6: Final answer
    x = 136,979.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.