Home / 171,736.18-236,998.38-103,743.72

Finding the Fourth Proportional to 171,736.18, 236,998.38 and 103,743.72

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Solution

The fourth proportional to 171,736.18, 236,998.38 and 103,743.72 is: 143,167.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,736.18 : 236,998.38 = 103,743.72 : x
  2. Step 2: Convert to fraction form
    171,736.18/236,998.38 = 103,743.72/x
  3. Step 3: Cross multiply
    171,736.18x = 236,998.38 × 103,743.72
  4. Step 4: Simplify right side
    171,736.18x = 24,587,093,575.17
  5. Step 5: Solve for x
    x = 24,587,093,575.17/171,736.18
  6. Step 6: Final answer
    x = 143,167.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.