Home / 254,011.24-381,031.26-76,542.76

Finding the Fourth Proportional to 254,011.24, 381,031.26 and 76,542.76

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Solution

The fourth proportional to 254,011.24, 381,031.26 and 76,542.76 is: 114,818.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,011.24 : 381,031.26 = 76,542.76 : x
  2. Step 2: Convert to fraction form
    254,011.24/381,031.26 = 76,542.76/x
  3. Step 3: Cross multiply
    254,011.24x = 381,031.26 × 76,542.76
  4. Step 4: Simplify right side
    254,011.24x = 29,165,184,286.68
  5. Step 5: Solve for x
    x = 29,165,184,286.68/254,011.24
  6. Step 6: Final answer
    x = 114,818.48

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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.