Home / 202,091.22-278,818.20-130,519.62

Finding the Fourth Proportional to 202,091.22, 278,818.20 and 130,519.62

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Solution

The fourth proportional to 202,091.22, 278,818.20 and 130,519.62 is: 180,073.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,091.22 : 278,818.20 = 130,519.62 : x
  2. Step 2: Convert to fraction form
    202,091.22/278,818.20 = 130,519.62/x
  3. Step 3: Cross multiply
    202,091.22x = 278,818.20 × 130,519.62
  4. Step 4: Simplify right side
    202,091.22x = 36,391,245,513.08
  5. Step 5: Solve for x
    x = 36,391,245,513.08/202,091.22
  6. Step 6: Final answer
    x = 180,073.36

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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.