Home / 254,165.21-381,250.55-76,673.76

Finding the Fourth Proportional to 254,165.21, 381,250.55 and 76,673.76

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Solution

The fourth proportional to 254,165.21, 381,250.55 and 76,673.76 is: 115,011.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,165.21 : 381,250.55 = 76,673.76 : x
  2. Step 2: Convert to fraction form
    254,165.21/381,250.55 = 76,673.76/x
  3. Step 3: Cross multiply
    254,165.21x = 381,250.55 × 76,673.76
  4. Step 4: Simplify right side
    254,165.21x = 29,231,912,217.44
  5. Step 5: Solve for x
    x = 29,231,912,217.44/254,165.21
  6. Step 6: Final answer
    x = 115,011.46

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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.