Home / 112,939.87-169,375.25-38,039.93

Finding the Fourth Proportional to 112,939.87, 169,375.25 and 38,039.93

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Solution

The fourth proportional to 112,939.87, 169,375.25 and 38,039.93 is: 57,048.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,939.87 : 169,375.25 = 38,039.93 : x
  2. Step 2: Convert to fraction form
    112,939.87/169,375.25 = 38,039.93/x
  3. Step 3: Cross multiply
    112,939.87x = 169,375.25 × 38,039.93
  4. Step 4: Simplify right side
    112,939.87x = 6,443,022,537.11
  5. Step 5: Solve for x
    x = 6,443,022,537.11/112,939.87
  6. Step 6: Final answer
    x = 57,048.26

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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.