Home / 204,530.05-306,692.40-119,168.53

Finding the Fourth Proportional to 204,530.05, 306,692.40 and 119,168.53

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Solution

The fourth proportional to 204,530.05, 306,692.40 and 119,168.53 is: 178,692.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,530.05 : 306,692.40 = 119,168.53 : x
  2. Step 2: Convert to fraction form
    204,530.05/306,692.40 = 119,168.53/x
  3. Step 3: Cross multiply
    204,530.05x = 306,692.40 × 119,168.53
  4. Step 4: Simplify right side
    204,530.05x = 36,548,082,470.17
  5. Step 5: Solve for x
    x = 36,548,082,470.17/204,530.05
  6. Step 6: Final answer
    x = 178,692.97

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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.