Home / 170,080.30-254,951.16-81,229.96

Finding the Fourth Proportional to 170,080.30, 254,951.16 and 81,229.96

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Solution

The fourth proportional to 170,080.30, 254,951.16 and 81,229.96 is: 121,764.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,080.30 : 254,951.16 = 81,229.96 : x
  2. Step 2: Convert to fraction form
    170,080.30/254,951.16 = 81,229.96/x
  3. Step 3: Cross multiply
    170,080.30x = 254,951.16 × 81,229.96
  4. Step 4: Simplify right side
    170,080.30x = 20,709,672,528.75
  5. Step 5: Solve for x
    x = 20,709,672,528.75/170,080.30
  6. Step 6: Final answer
    x = 121,764.09

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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.