Home / 237,909.10-356,861.22-80,136.49

Finding the Fourth Proportional to 237,909.10, 356,861.22 and 80,136.49

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Solution

The fourth proportional to 237,909.10, 356,861.22 and 80,136.49 is: 120,203.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,909.10 : 356,861.22 = 80,136.49 : x
  2. Step 2: Convert to fraction form
    237,909.10/356,861.22 = 80,136.49/x
  3. Step 3: Cross multiply
    237,909.10x = 356,861.22 × 80,136.49
  4. Step 4: Simplify right side
    237,909.10x = 28,597,605,587.92
  5. Step 5: Solve for x
    x = 28,597,605,587.92/237,909.10
  6. Step 6: Final answer
    x = 120,203.92

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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.