Home / 254,057.01-381,134.93-76,555.23

Finding the Fourth Proportional to 254,057.01, 381,134.93 and 76,555.23

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Solution

The fourth proportional to 254,057.01, 381,134.93 and 76,555.23 is: 114,847.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,057.01 : 381,134.93 = 76,555.23 : x
  2. Step 2: Convert to fraction form
    254,057.01/381,134.93 = 76,555.23/x
  3. Step 3: Cross multiply
    254,057.01x = 381,134.93 × 76,555.23
  4. Step 4: Simplify right side
    254,057.01x = 29,177,871,844.41
  5. Step 5: Solve for x
    x = 29,177,871,844.41/254,057.01
  6. Step 6: Final answer
    x = 114,847.73

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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.