Home / 104,727.62-156,828.98-82,660.79

Finding the Fourth Proportional to 104,727.62, 156,828.98 and 82,660.79

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Solution

The fourth proportional to 104,727.62, 156,828.98 and 82,660.79 is: 123,784.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,727.62 : 156,828.98 = 82,660.79 : x
  2. Step 2: Convert to fraction form
    104,727.62/156,828.98 = 82,660.79/x
  3. Step 3: Cross multiply
    104,727.62x = 156,828.98 × 82,660.79
  4. Step 4: Simplify right side
    104,727.62x = 12,963,606,184.25
  5. Step 5: Solve for x
    x = 12,963,606,184.25/104,727.62
  6. Step 6: Final answer
    x = 123,784.03

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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.