Home / 170,942.45-256,274.94-71,177.28

Finding the Fourth Proportional to 170,942.45, 256,274.94 and 71,177.28

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Solution

The fourth proportional to 170,942.45, 256,274.94 and 71,177.28 is: 106,708.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,942.45 : 256,274.94 = 71,177.28 : x
  2. Step 2: Convert to fraction form
    170,942.45/256,274.94 = 71,177.28/x
  3. Step 3: Cross multiply
    170,942.45x = 256,274.94 × 71,177.28
  4. Step 4: Simplify right side
    170,942.45x = 18,240,953,508.42
  5. Step 5: Solve for x
    x = 18,240,953,508.42/170,942.45
  6. Step 6: Final answer
    x = 106,708.15

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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.