Home / 114,891.21-172,310.22-43,821.81

Finding the Fourth Proportional to 114,891.21, 172,310.22 and 43,821.81

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Solution

The fourth proportional to 114,891.21, 172,310.22 and 43,821.81 is: 65,722.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,891.21 : 172,310.22 = 43,821.81 : x
  2. Step 2: Convert to fraction form
    114,891.21/172,310.22 = 43,821.81/x
  3. Step 3: Cross multiply
    114,891.21x = 172,310.22 × 43,821.81
  4. Step 4: Simplify right side
    114,891.21x = 7,550,945,721.90
  5. Step 5: Solve for x
    x = 7,550,945,721.90/114,891.21
  6. Step 6: Final answer
    x = 65,722.57

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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.