Home / 120,371.92-180,557.76-36,132.04

Finding the Fourth Proportional to 120,371.92, 180,557.76 and 36,132.04

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Solution

The fourth proportional to 120,371.92, 180,557.76 and 36,132.04 is: 54,198.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,371.92 : 180,557.76 = 36,132.04 : x
  2. Step 2: Convert to fraction form
    120,371.92/180,557.76 = 36,132.04/x
  3. Step 3: Cross multiply
    120,371.92x = 180,557.76 × 36,132.04
  4. Step 4: Simplify right side
    120,371.92x = 6,523,920,206.63
  5. Step 5: Solve for x
    x = 6,523,920,206.63/120,371.92
  6. Step 6: Final answer
    x = 54,198.02

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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.