Home / 203,903.82-281,465.73-135,895.97

Finding the Fourth Proportional to 203,903.82, 281,465.73 and 135,895.97

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Solution

The fourth proportional to 203,903.82, 281,465.73 and 135,895.97 is: 187,588.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,903.82 : 281,465.73 = 135,895.97 : x
  2. Step 2: Convert to fraction form
    203,903.82/281,465.73 = 135,895.97/x
  3. Step 3: Cross multiply
    203,903.82x = 281,465.73 × 135,895.97
  4. Step 4: Simplify right side
    203,903.82x = 38,250,059,103.77
  5. Step 5: Solve for x
    x = 38,250,059,103.77/203,903.82
  6. Step 6: Final answer
    x = 187,588.73

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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.