Home / 120,371.94-180,557.46-36,131.73

Finding the Fourth Proportional to 120,371.94, 180,557.46 and 36,131.73

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Solution

The fourth proportional to 120,371.94, 180,557.46 and 36,131.73 is: 54,197.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,371.94 : 180,557.46 = 36,131.73 : x
  2. Step 2: Convert to fraction form
    120,371.94/180,557.46 = 36,131.73/x
  3. Step 3: Cross multiply
    120,371.94x = 180,557.46 × 36,131.73
  4. Step 4: Simplify right side
    120,371.94x = 6,523,853,394.21
  5. Step 5: Solve for x
    x = 6,523,853,394.21/120,371.94
  6. Step 6: Final answer
    x = 54,197.46

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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.