Home / 188,049.96-259,508.93-103,165.20

Finding the Fourth Proportional to 188,049.96, 259,508.93 and 103,165.20

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Solution

The fourth proportional to 188,049.96, 259,508.93 and 103,165.20 is: 142,367.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,049.96 : 259,508.93 = 103,165.20 : x
  2. Step 2: Convert to fraction form
    188,049.96/259,508.93 = 103,165.20/x
  3. Step 3: Cross multiply
    188,049.96x = 259,508.93 × 103,165.20
  4. Step 4: Simplify right side
    188,049.96x = 26,772,290,149.41
  5. Step 5: Solve for x
    x = 26,772,290,149.41/188,049.96
  6. Step 6: Final answer
    x = 142,367.97

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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.