Home / 254,226.94-381,330.42-76,729.12

Finding the Fourth Proportional to 254,226.94, 381,330.42 and 76,729.12

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Solution

The fourth proportional to 254,226.94, 381,330.42 and 76,729.12 is: 115,090.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,226.94 : 381,330.42 = 76,729.12 : x
  2. Step 2: Convert to fraction form
    254,226.94/381,330.42 = 76,729.12/x
  3. Step 3: Cross multiply
    254,226.94x = 381,330.42 × 76,729.12
  4. Step 4: Simplify right side
    254,226.94x = 29,259,147,555.83
  5. Step 5: Solve for x
    x = 29,259,147,555.83/254,226.94
  6. Step 6: Final answer
    x = 115,090.66

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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.