Home / 114,992.64-172,514.40-40,109.76

Finding the Fourth Proportional to 114,992.64, 172,514.40 and 40,109.76

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Solution

The fourth proportional to 114,992.64, 172,514.40 and 40,109.76 is: 60,173.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,992.64 : 172,514.40 = 40,109.76 : x
  2. Step 2: Convert to fraction form
    114,992.64/172,514.40 = 40,109.76/x
  3. Step 3: Cross multiply
    114,992.64x = 172,514.40 × 40,109.76
  4. Step 4: Simplify right side
    114,992.64x = 6,919,511,180.54
  5. Step 5: Solve for x
    x = 6,919,511,180.54/114,992.64
  6. Step 6: Final answer
    x = 60,173.51

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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.