Home / 170,162.70-254,984.85-143,724.30

Finding the Fourth Proportional to 170,162.70, 254,984.85 and 143,724.30

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Solution

The fourth proportional to 170,162.70, 254,984.85 and 143,724.30 is: 215,367.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,162.70 : 254,984.85 = 143,724.30 : x
  2. Step 2: Convert to fraction form
    170,162.70/254,984.85 = 143,724.30/x
  3. Step 3: Cross multiply
    170,162.70x = 254,984.85 × 143,724.30
  4. Step 4: Simplify right side
    170,162.70x = 36,647,519,076.86
  5. Step 5: Solve for x
    x = 36,647,519,076.86/170,162.70
  6. Step 6: Final answer
    x = 215,367.52

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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.