Home / 106,105.12-159,153.87-27,220.12

Finding the Fourth Proportional to 106,105.12, 159,153.87 and 27,220.12

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Solution

The fourth proportional to 106,105.12, 159,153.87 and 27,220.12 is: 40,829.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,105.12 : 159,153.87 = 27,220.12 : x
  2. Step 2: Convert to fraction form
    106,105.12/159,153.87 = 27,220.12/x
  3. Step 3: Cross multiply
    106,105.12x = 159,153.87 × 27,220.12
  4. Step 4: Simplify right side
    106,105.12x = 4,332,187,439.86
  5. Step 5: Solve for x
    x = 4,332,187,439.86/106,105.12
  6. Step 6: Final answer
    x = 40,829.20

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1.5x scale

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.