Home / 192,721.70-289,061.77-50,581.23

Finding the Fourth Proportional to 192,721.70, 289,061.77 and 50,581.23

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Solution

The fourth proportional to 192,721.70, 289,061.77 and 50,581.23 is: 75,866.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,721.70 : 289,061.77 = 50,581.23 : x
  2. Step 2: Convert to fraction form
    192,721.70/289,061.77 = 50,581.23/x
  3. Step 3: Cross multiply
    192,721.70x = 289,061.77 × 50,581.23
  4. Step 4: Simplify right side
    192,721.70x = 14,621,099,872.58
  5. Step 5: Solve for x
    x = 14,621,099,872.58/192,721.70
  6. Step 6: Final answer
    x = 75,866.39

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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.