Home / 80,160.84-120,252.18-33,402.78

Finding the Fourth Proportional to 80,160.84, 120,252.18 and 33,402.78

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Solution

The fourth proportional to 80,160.84, 120,252.18 and 33,402.78 is: 50,108.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,160.84 : 120,252.18 = 33,402.78 : x
  2. Step 2: Convert to fraction form
    80,160.84/120,252.18 = 33,402.78/x
  3. Step 3: Cross multiply
    80,160.84x = 120,252.18 × 33,402.78
  4. Step 4: Simplify right side
    80,160.84x = 4,016,757,113.06
  5. Step 5: Solve for x
    x = 4,016,757,113.06/80,160.84
  6. Step 6: Final answer
    x = 50,108.72

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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.