Home / 131,553.92-197,380.59-79,000.04

Finding the Fourth Proportional to 131,553.92, 197,380.59 and 79,000.04

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Solution

The fourth proportional to 131,553.92, 197,380.59 and 79,000.04 is: 118,529.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,553.92 : 197,380.59 = 79,000.04 : x
  2. Step 2: Convert to fraction form
    131,553.92/197,380.59 = 79,000.04/x
  3. Step 3: Cross multiply
    131,553.92x = 197,380.59 × 79,000.04
  4. Step 4: Simplify right side
    131,553.92x = 15,593,074,505.22
  5. Step 5: Solve for x
    x = 15,593,074,505.22/131,553.92
  6. Step 6: Final answer
    x = 118,529.91

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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.