Home / 80,371.24-120,503.67-35,936.80

Finding the Fourth Proportional to 80,371.24, 120,503.67 and 35,936.80

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Solution

The fourth proportional to 80,371.24, 120,503.67 and 35,936.80 is: 53,881.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,371.24 : 120,503.67 = 35,936.80 : x
  2. Step 2: Convert to fraction form
    80,371.24/120,503.67 = 35,936.80/x
  3. Step 3: Cross multiply
    80,371.24x = 120,503.67 × 35,936.80
  4. Step 4: Simplify right side
    80,371.24x = 4,330,516,288.06
  5. Step 5: Solve for x
    x = 4,330,516,288.06/80,371.24
  6. Step 6: Final answer
    x = 53,881.42

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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.