Home / 80,143.58-120,214.02-32,748.23

Finding the Fourth Proportional to 80,143.58, 120,214.02 and 32,748.23

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Solution

The fourth proportional to 80,143.58, 120,214.02 and 32,748.23 is: 49,121.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,143.58 : 120,214.02 = 32,748.23 : x
  2. Step 2: Convert to fraction form
    80,143.58/120,214.02 = 32,748.23/x
  3. Step 3: Cross multiply
    80,143.58x = 120,214.02 × 32,748.23
  4. Step 4: Simplify right side
    80,143.58x = 3,936,796,376.18
  5. Step 5: Solve for x
    x = 3,936,796,376.18/80,143.58
  6. Step 6: Final answer
    x = 49,121.79

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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.