Home / 170,217.20-255,325.80-45,558.20

Finding the Fourth Proportional to 170,217.20, 255,325.80 and 45,558.20

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Solution

The fourth proportional to 170,217.20, 255,325.80 and 45,558.20 is: 68,337.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,217.20 : 255,325.80 = 45,558.20 : x
  2. Step 2: Convert to fraction form
    170,217.20/255,325.80 = 45,558.20/x
  3. Step 3: Cross multiply
    170,217.20x = 255,325.80 × 45,558.20
  4. Step 4: Simplify right side
    170,217.20x = 11,632,183,861.56
  5. Step 5: Solve for x
    x = 11,632,183,861.56/170,217.20
  6. Step 6: Final answer
    x = 68,337.30

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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.