Home / 135,943.38-203,958.40-57,036.42

Finding the Fourth Proportional to 135,943.38, 203,958.40 and 57,036.42

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Solution

The fourth proportional to 135,943.38, 203,958.40 and 57,036.42 is: 85,572.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,943.38 : 203,958.40 = 57,036.42 : x
  2. Step 2: Convert to fraction form
    135,943.38/203,958.40 = 57,036.42/x
  3. Step 3: Cross multiply
    135,943.38x = 203,958.40 × 57,036.42
  4. Step 4: Simplify right side
    135,943.38x = 11,633,055,945.14
  5. Step 5: Solve for x
    x = 11,633,055,945.14/135,943.38
  6. Step 6: Final answer
    x = 85,572.81

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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.