Home / 166,658.24-229,989.12-91,206.56

Finding the Fourth Proportional to 166,658.24, 229,989.12 and 91,206.56

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Solution

The fourth proportional to 166,658.24, 229,989.12 and 91,206.56 is: 125,865.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,658.24 : 229,989.12 = 91,206.56 : x
  2. Step 2: Convert to fraction form
    166,658.24/229,989.12 = 91,206.56/x
  3. Step 3: Cross multiply
    166,658.24x = 229,989.12 × 91,206.56
  4. Step 4: Simplify right side
    166,658.24x = 20,976,516,472.63
  5. Step 5: Solve for x
    x = 20,976,516,472.63/166,658.24
  6. Step 6: Final answer
    x = 125,865.46

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.