Home / 170,462.60-255,732.30-100,305.80

Finding the Fourth Proportional to 170,462.60, 255,732.30 and 100,305.80

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Solution

The fourth proportional to 170,462.60, 255,732.30 and 100,305.80 is: 150,481.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,462.60 : 255,732.30 = 100,305.80 : x
  2. Step 2: Convert to fraction form
    170,462.60/255,732.30 = 100,305.80/x
  3. Step 3: Cross multiply
    170,462.60x = 255,732.30 × 100,305.80
  4. Step 4: Simplify right side
    170,462.60x = 25,651,432,937.34
  5. Step 5: Solve for x
    x = 25,651,432,937.34/170,462.60
  6. Step 6: Final answer
    x = 150,481.30

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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.