Home / 263,676.20-395,417.10-130,512.20

Finding the Fourth Proportional to 263,676.20, 395,417.10 and 130,512.20

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Solution

The fourth proportional to 263,676.20, 395,417.10 and 130,512.20 is: 195,720.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,676.20 : 395,417.10 = 130,512.20 : x
  2. Step 2: Convert to fraction form
    263,676.20/395,417.10 = 130,512.20/x
  3. Step 3: Cross multiply
    263,676.20x = 395,417.10 × 130,512.20
  4. Step 4: Simplify right side
    263,676.20x = 51,606,755,638.62
  5. Step 5: Solve for x
    x = 51,606,755,638.62/263,676.20
  6. Step 6: Final answer
    x = 195,720.19

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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.