Home / 170,476.43-255,659.31-80,505.23

Finding the Fourth Proportional to 170,476.43, 255,659.31 and 80,505.23

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Solution

The fourth proportional to 170,476.43, 255,659.31 and 80,505.23 is: 120,731.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,476.43 : 255,659.31 = 80,505.23 : x
  2. Step 2: Convert to fraction form
    170,476.43/255,659.31 = 80,505.23/x
  3. Step 3: Cross multiply
    170,476.43x = 255,659.31 × 80,505.23
  4. Step 4: Simplify right side
    170,476.43x = 20,581,910,274.89
  5. Step 5: Solve for x
    x = 20,581,910,274.89/170,476.43
  6. Step 6: Final answer
    x = 120,731.71

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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.