Home / 166,074-248,944.46-86,067.15

Finding the Fourth Proportional to 166,074, 248,944.46 and 86,067.15

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Solution

The fourth proportional to 166,074, 248,944.46 and 86,067.15 is: 129,014.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,074 : 248,944.46 = 86,067.15 : x
  2. Step 2: Convert to fraction form
    166,074/248,944.46 = 86,067.15/x
  3. Step 3: Cross multiply
    166,074x = 248,944.46 × 86,067.15
  4. Step 4: Simplify right side
    166,074x = 21,425,939,750.15
  5. Step 5: Solve for x
    x = 21,425,939,750.15/166,074
  6. Step 6: Final answer
    x = 129,014.41

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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.