Home / 192,279.40-288,522.37-80,037.09

Finding the Fourth Proportional to 192,279.40, 288,522.37 and 80,037.09

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Solution

The fourth proportional to 192,279.40, 288,522.37 and 80,037.09 is: 120,098.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,279.40 : 288,522.37 = 80,037.09 : x
  2. Step 2: Convert to fraction form
    192,279.40/288,522.37 = 80,037.09/x
  3. Step 3: Cross multiply
    192,279.40x = 288,522.37 × 80,037.09
  4. Step 4: Simplify right side
    192,279.40x = 23,092,490,894.70
  5. Step 5: Solve for x
    x = 23,092,490,894.70/192,279.40
  6. Step 6: Final answer
    x = 120,098.62

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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.