Home / 76,187.44-114,299.40-31,789.56

Finding the Fourth Proportional to 76,187.44, 114,299.40 and 31,789.56

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Solution

The fourth proportional to 76,187.44, 114,299.40 and 31,789.56 is: 47,691.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,187.44 : 114,299.40 = 31,789.56 : x
  2. Step 2: Convert to fraction form
    76,187.44/114,299.40 = 31,789.56/x
  3. Step 3: Cross multiply
    76,187.44x = 114,299.40 × 31,789.56
  4. Step 4: Simplify right side
    76,187.44x = 3,633,527,634.26
  5. Step 5: Solve for x
    x = 3,633,527,634.26/76,187.44
  6. Step 6: Final answer
    x = 47,691.95

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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.