Home / 80,131.24-120,164.06-35,727.63

Finding the Fourth Proportional to 80,131.24, 120,164.06 and 35,727.63

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Solution

The fourth proportional to 80,131.24, 120,164.06 and 35,727.63 is: 53,576.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,131.24 : 120,164.06 = 35,727.63 : x
  2. Step 2: Convert to fraction form
    80,131.24/120,164.06 = 35,727.63/x
  3. Step 3: Cross multiply
    80,131.24x = 120,164.06 × 35,727.63
  4. Step 4: Simplify right side
    80,131.24x = 4,293,176,295.52
  5. Step 5: Solve for x
    x = 4,293,176,295.52/80,131.24
  6. Step 6: Final answer
    x = 53,576.81

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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.