Home / 166,571.52-229,869-91,120.02

Finding the Fourth Proportional to 166,571.52, 229,869 and 91,120.02

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Solution

The fourth proportional to 166,571.52, 229,869 and 91,120.02 is: 125,745.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,571.52 : 229,869 = 91,120.02 : x
  2. Step 2: Convert to fraction form
    166,571.52/229,869 = 91,120.02/x
  3. Step 3: Cross multiply
    166,571.52x = 229,869 × 91,120.02
  4. Step 4: Simplify right side
    166,571.52x = 20,945,667,877.38
  5. Step 5: Solve for x
    x = 20,945,667,877.38/166,571.52
  6. Step 6: Final answer
    x = 125,745.79

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1.5x scale

Why These Related Problems?

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