Home / 82,149.12-123,238.85-26,003.34

Finding the Fourth Proportional to 82,149.12, 123,238.85 and 26,003.34

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Solution

The fourth proportional to 82,149.12, 123,238.85 and 26,003.34 is: 39,009.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,149.12 : 123,238.85 = 26,003.34 : x
  2. Step 2: Convert to fraction form
    82,149.12/123,238.85 = 26,003.34/x
  3. Step 3: Cross multiply
    82,149.12x = 123,238.85 × 26,003.34
  4. Step 4: Simplify right side
    82,149.12x = 3,204,621,587.74
  5. Step 5: Solve for x
    x = 3,204,621,587.74/82,149.12
  6. Step 6: Final answer
    x = 39,009.81

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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.