Home / 133,721.40-184,508.24-79,249.56

Finding the Fourth Proportional to 133,721.40, 184,508.24 and 79,249.56

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Solution

The fourth proportional to 133,721.40, 184,508.24 and 79,249.56 is: 109,348.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,721.40 : 184,508.24 = 79,249.56 : x
  2. Step 2: Convert to fraction form
    133,721.40/184,508.24 = 79,249.56/x
  3. Step 3: Cross multiply
    133,721.40x = 184,508.24 × 79,249.56
  4. Step 4: Simplify right side
    133,721.40x = 14,622,196,836.37
  5. Step 5: Solve for x
    x = 14,622,196,836.37/133,721.40
  6. Step 6: Final answer
    x = 109,348.22

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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.