Home / 169,198.10-253,822.66-73,161.59

Finding the Fourth Proportional to 169,198.10, 253,822.66 and 73,161.59

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Solution

The fourth proportional to 169,198.10, 253,822.66 and 73,161.59 is: 109,753.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,198.10 : 253,822.66 = 73,161.59 : x
  2. Step 2: Convert to fraction form
    169,198.10/253,822.66 = 73,161.59/x
  3. Step 3: Cross multiply
    169,198.10x = 253,822.66 × 73,161.59
  4. Step 4: Simplify right side
    169,198.10x = 18,570,069,835.28
  5. Step 5: Solve for x
    x = 18,570,069,835.28/169,198.10
  6. Step 6: Final answer
    x = 109,753.42

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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.