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Finding the Fourth Proportional to 170,195.88, 255,294.14 and 70,246.44

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Solution

The fourth proportional to 170,195.88, 255,294.14 and 70,246.44 is: 105,369.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,195.88 : 255,294.14 = 70,246.44 : x
  2. Step 2: Convert to fraction form
    170,195.88/255,294.14 = 70,246.44/x
  3. Step 3: Cross multiply
    170,195.88x = 255,294.14 × 70,246.44
  4. Step 4: Simplify right side
    170,195.88x = 17,933,504,487.86
  5. Step 5: Solve for x
    x = 17,933,504,487.86/170,195.88
  6. Step 6: Final answer
    x = 105,369.79

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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.