Home / 113,857.32-170,766.62-30,731.88

Finding the Fourth Proportional to 113,857.32, 170,766.62 and 30,731.88

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Solution

The fourth proportional to 113,857.32, 170,766.62 and 30,731.88 is: 46,092.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,857.32 : 170,766.62 = 30,731.88 : x
  2. Step 2: Convert to fraction form
    113,857.32/170,766.62 = 30,731.88/x
  3. Step 3: Cross multiply
    113,857.32x = 170,766.62 × 30,731.88
  4. Step 4: Simplify right side
    113,857.32x = 5,247,979,273.85
  5. Step 5: Solve for x
    x = 5,247,979,273.85/113,857.32
  6. Step 6: Final answer
    x = 46,092.59

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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.