Home / 112,917.49-169,375.41-28,677.89

Finding the Fourth Proportional to 112,917.49, 169,375.41 and 28,677.89

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Solution

The fourth proportional to 112,917.49, 169,375.41 and 28,677.89 is: 43,016.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,917.49 : 169,375.41 = 28,677.89 : x
  2. Step 2: Convert to fraction form
    112,917.49/169,375.41 = 28,677.89/x
  3. Step 3: Cross multiply
    112,917.49x = 169,375.41 × 28,677.89
  4. Step 4: Simplify right side
    112,917.49x = 4,857,329,800.12
  5. Step 5: Solve for x
    x = 4,857,329,800.12/112,917.49
  6. Step 6: Final answer
    x = 43,016.63

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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.