Home / 149,609.24-206,478.90-109,302.83

Finding the Fourth Proportional to 149,609.24, 206,478.90 and 109,302.83

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Solution

The fourth proportional to 149,609.24, 206,478.90 and 109,302.83 is: 150,851.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,609.24 : 206,478.90 = 109,302.83 : x
  2. Step 2: Convert to fraction form
    149,609.24/206,478.90 = 109,302.83/x
  3. Step 3: Cross multiply
    149,609.24x = 206,478.90 × 109,302.83
  4. Step 4: Simplify right side
    149,609.24x = 22,568,728,105.29
  5. Step 5: Solve for x
    x = 22,568,728,105.29/149,609.24
  6. Step 6: Final answer
    x = 150,851.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.