Home / 192,666.28-288,736.80-92,819.20

Finding the Fourth Proportional to 192,666.28, 288,736.80 and 92,819.20

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Solution

The fourth proportional to 192,666.28, 288,736.80 and 92,819.20 is: 139,102.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,666.28 : 288,736.80 = 92,819.20 : x
  2. Step 2: Convert to fraction form
    192,666.28/288,736.80 = 92,819.20/x
  3. Step 3: Cross multiply
    192,666.28x = 288,736.80 × 92,819.20
  4. Step 4: Simplify right side
    192,666.28x = 26,800,318,786.56
  5. Step 5: Solve for x
    x = 26,800,318,786.56/192,666.28
  6. Step 6: Final answer
    x = 139,102.28

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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.