Home / 254,164.20-381,246.30-140,002.80

Finding the Fourth Proportional to 254,164.20, 381,246.30 and 140,002.80

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Solution

The fourth proportional to 254,164.20, 381,246.30 and 140,002.80 is: 210,004.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,164.20 : 381,246.30 = 140,002.80 : x
  2. Step 2: Convert to fraction form
    254,164.20/381,246.30 = 140,002.80/x
  3. Step 3: Cross multiply
    254,164.20x = 381,246.30 × 140,002.80
  4. Step 4: Simplify right side
    254,164.20x = 53,375,549,489.64
  5. Step 5: Solve for x
    x = 53,375,549,489.64/254,164.20
  6. Step 6: Final answer
    x = 210,004.20

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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.