Home / 126,525.68-189,723.96-42,255.48

Finding the Fourth Proportional to 126,525.68, 189,723.96 and 42,255.48

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Solution

The fourth proportional to 126,525.68, 189,723.96 and 42,255.48 is: 63,361.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,525.68 : 189,723.96 = 42,255.48 : x
  2. Step 2: Convert to fraction form
    126,525.68/189,723.96 = 42,255.48/x
  3. Step 3: Cross multiply
    126,525.68x = 189,723.96 × 42,255.48
  4. Step 4: Simplify right side
    126,525.68x = 8,016,876,997.30
  5. Step 5: Solve for x
    x = 8,016,876,997.30/126,525.68
  6. Step 6: Final answer
    x = 63,361.66

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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.