Home / 254,131.28-381,198.24-85,653.07

Finding the Fourth Proportional to 254,131.28, 381,198.24 and 85,653.07

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Solution

The fourth proportional to 254,131.28, 381,198.24 and 85,653.07 is: 128,480.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,131.28 : 381,198.24 = 85,653.07 : x
  2. Step 2: Convert to fraction form
    254,131.28/381,198.24 = 85,653.07/x
  3. Step 3: Cross multiply
    254,131.28x = 381,198.24 × 85,653.07
  4. Step 4: Simplify right side
    254,131.28x = 32,650,798,581.60
  5. Step 5: Solve for x
    x = 32,650,798,581.60/254,131.28
  6. Step 6: Final answer
    x = 128,480.04

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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.