Home / 112,991.20-169,491.20-34,105.44

Finding the Fourth Proportional to 112,991.20, 169,491.20 and 34,105.44

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Solution

The fourth proportional to 112,991.20, 169,491.20 and 34,105.44 is: 51,159.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,991.20 : 169,491.20 = 34,105.44 : x
  2. Step 2: Convert to fraction form
    112,991.20/169,491.20 = 34,105.44/x
  3. Step 3: Cross multiply
    112,991.20x = 169,491.20 × 34,105.44
  4. Step 4: Simplify right side
    112,991.20x = 5,780,571,952.13
  5. Step 5: Solve for x
    x = 5,780,571,952.13/112,991.20
  6. Step 6: Final answer
    x = 51,159.49

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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.