Home / 104,731.62-156,834.97-82,664.79

Finding the Fourth Proportional to 104,731.62, 156,834.97 and 82,664.79

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Solution

The fourth proportional to 104,731.62, 156,834.97 and 82,664.79 is: 123,790.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,731.62 : 156,834.97 = 82,664.79 : x
  2. Step 2: Convert to fraction form
    104,731.62/156,834.97 = 82,664.79/x
  3. Step 3: Cross multiply
    104,731.62x = 156,834.97 × 82,664.79
  4. Step 4: Simplify right side
    104,731.62x = 12,964,729,859.71
  5. Step 5: Solve for x
    x = 12,964,729,859.71/104,731.62
  6. Step 6: Final answer
    x = 123,790.03

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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.