Home / 192,690.20-288,905.70-102,747.80

Finding the Fourth Proportional to 192,690.20, 288,905.70 and 102,747.80

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Solution

The fourth proportional to 192,690.20, 288,905.70 and 102,747.80 is: 154,052.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,690.20 : 288,905.70 = 102,747.80 : x
  2. Step 2: Convert to fraction form
    192,690.20/288,905.70 = 102,747.80/x
  3. Step 3: Cross multiply
    192,690.20x = 288,905.70 × 102,747.80
  4. Step 4: Simplify right side
    192,690.20x = 29,684,425,082.46
  5. Step 5: Solve for x
    x = 29,684,425,082.46/192,690.20
  6. Step 6: Final answer
    x = 154,052.59

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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.