Home / 108,286.20-162,429.30-29,410.20

Finding the Fourth Proportional to 108,286.20, 162,429.30 and 29,410.20

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Solution

The fourth proportional to 108,286.20, 162,429.30 and 29,410.20 is: 44,115.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,286.20 : 162,429.30 = 29,410.20 : x
  2. Step 2: Convert to fraction form
    108,286.20/162,429.30 = 29,410.20/x
  3. Step 3: Cross multiply
    108,286.20x = 162,429.30 × 29,410.20
  4. Step 4: Simplify right side
    108,286.20x = 4,777,078,198.86
  5. Step 5: Solve for x
    x = 4,777,078,198.86/108,286.20
  6. Step 6: Final answer
    x = 44,115.30

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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.