Home / 215,922.66-323,806.22-91,273.38

Finding the Fourth Proportional to 215,922.66, 323,806.22 and 91,273.38

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Solution

The fourth proportional to 215,922.66, 323,806.22 and 91,273.38 is: 136,877.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,922.66 : 323,806.22 = 91,273.38 : x
  2. Step 2: Convert to fraction form
    215,922.66/323,806.22 = 91,273.38/x
  3. Step 3: Cross multiply
    215,922.66x = 323,806.22 × 91,273.38
  4. Step 4: Simplify right side
    215,922.66x = 29,554,888,164.42
  5. Step 5: Solve for x
    x = 29,554,888,164.42/215,922.66
  6. Step 6: Final answer
    x = 136,877.20

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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.