Home / 170,142.56-255,267.48-80,181.64

Finding the Fourth Proportional to 170,142.56, 255,267.48 and 80,181.64

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Solution

The fourth proportional to 170,142.56, 255,267.48 and 80,181.64 is: 120,297.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,142.56 : 255,267.48 = 80,181.64 : x
  2. Step 2: Convert to fraction form
    170,142.56/255,267.48 = 80,181.64/x
  3. Step 3: Cross multiply
    170,142.56x = 255,267.48 × 80,181.64
  4. Step 4: Simplify right side
    170,142.56x = 20,467,765,185.07
  5. Step 5: Solve for x
    x = 20,467,765,185.07/170,142.56
  6. Step 6: Final answer
    x = 120,297.74

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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.