Home / 135,709.38-203,504.67-55,692.45

Finding the Fourth Proportional to 135,709.38, 203,504.67 and 55,692.45

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Solution

The fourth proportional to 135,709.38, 203,504.67 and 55,692.45 is: 83,514.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,709.38 : 203,504.67 = 55,692.45 : x
  2. Step 2: Convert to fraction form
    135,709.38/203,504.67 = 55,692.45/x
  3. Step 3: Cross multiply
    135,709.38x = 203,504.67 × 55,692.45
  4. Step 4: Simplify right side
    135,709.38x = 11,333,673,658.74
  5. Step 5: Solve for x
    x = 11,333,673,658.74/135,709.38
  6. Step 6: Final answer
    x = 83,514.30

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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.