Home / 536,122.20-804,183.30-142,138.20

Finding the Fourth Proportional to 536,122.20, 804,183.30 and 142,138.20

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Solution

The fourth proportional to 536,122.20, 804,183.30 and 142,138.20 is: 213,207.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,122.20 : 804,183.30 = 142,138.20 : x
  2. Step 2: Convert to fraction form
    536,122.20/804,183.30 = 142,138.20/x
  3. Step 3: Cross multiply
    536,122.20x = 804,183.30 × 142,138.20
  4. Step 4: Simplify right side
    536,122.20x = 114,305,166,732.06
  5. Step 5: Solve for x
    x = 114,305,166,732.06/536,122.20
  6. Step 6: Final answer
    x = 213,207.30

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Similar ratio
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1.5x scale

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.