Home / 202,514.40-303,334.20-108,910.80

Finding the Fourth Proportional to 202,514.40, 303,334.20 and 108,910.80

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Solution

The fourth proportional to 202,514.40, 303,334.20 and 108,910.80 is: 163,130.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,514.40 : 303,334.20 = 108,910.80 : x
  2. Step 2: Convert to fraction form
    202,514.40/303,334.20 = 108,910.80/x
  3. Step 3: Cross multiply
    202,514.40x = 303,334.20 × 108,910.80
  4. Step 4: Simplify right side
    202,514.40x = 33,036,370,389.36
  5. Step 5: Solve for x
    x = 33,036,370,389.36/202,514.40
  6. Step 6: Final answer
    x = 163,130.97

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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.