Home / 220,861.11-330,637.17-136,349.55

Finding the Fourth Proportional to 220,861.11, 330,637.17 and 136,349.55

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Solution

The fourth proportional to 220,861.11, 330,637.17 and 136,349.55 is: 204,120.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,861.11 : 330,637.17 = 136,349.55 : x
  2. Step 2: Convert to fraction form
    220,861.11/330,637.17 = 136,349.55/x
  3. Step 3: Cross multiply
    220,861.11x = 330,637.17 × 136,349.55
  4. Step 4: Simplify right side
    220,861.11x = 45,082,229,342.77
  5. Step 5: Solve for x
    x = 45,082,229,342.77/220,861.11
  6. Step 6: Final answer
    x = 204,120.27

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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.