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Finding the Fourth Proportional to 126,514.88, 189,765.84 and 37,769.12

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Solution

The fourth proportional to 126,514.88, 189,765.84 and 37,769.12 is: 56,651.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,514.88 : 189,765.84 = 37,769.12 : x
  2. Step 2: Convert to fraction form
    126,514.88/189,765.84 = 37,769.12/x
  3. Step 3: Cross multiply
    126,514.88x = 189,765.84 × 37,769.12
  4. Step 4: Simplify right side
    126,514.88x = 7,167,288,782.86
  5. Step 5: Solve for x
    x = 7,167,288,782.86/126,514.88
  6. Step 6: Final answer
    x = 56,651.75

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.