Home / 170,845.48-256,268.70-100,628.20

Finding the Fourth Proportional to 170,845.48, 256,268.70 and 100,628.20

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Solution

The fourth proportional to 170,845.48, 256,268.70 and 100,628.20 is: 150,942.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,845.48 : 256,268.70 = 100,628.20 : x
  2. Step 2: Convert to fraction form
    170,845.48/256,268.70 = 100,628.20/x
  3. Step 3: Cross multiply
    170,845.48x = 256,268.70 × 100,628.20
  4. Step 4: Simplify right side
    170,845.48x = 25,787,857,997.34
  5. Step 5: Solve for x
    x = 25,787,857,997.34/170,845.48
  6. Step 6: Final answer
    x = 150,942.58

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1.5x scale

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.