Home / 254,244.24-381,741.12-142,144.20

Finding the Fourth Proportional to 254,244.24, 381,741.12 and 142,144.20

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Solution

The fourth proportional to 254,244.24, 381,741.12 and 142,144.20 is: 213,425.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,244.24 : 381,741.12 = 142,144.20 : x
  2. Step 2: Convert to fraction form
    254,244.24/381,741.12 = 142,144.20/x
  3. Step 3: Cross multiply
    254,244.24x = 381,741.12 × 142,144.20
  4. Step 4: Simplify right side
    254,244.24x = 54,262,286,109.50
  5. Step 5: Solve for x
    x = 54,262,286,109.50/254,244.24
  6. Step 6: Final answer
    x = 213,425.82

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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.