Home / 166,439.96-229,687.26-90,988.52

Finding the Fourth Proportional to 166,439.96, 229,687.26 and 90,988.52

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Solution

The fourth proportional to 166,439.96, 229,687.26 and 90,988.52 is: 125,564.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,439.96 : 229,687.26 = 90,988.52 : x
  2. Step 2: Convert to fraction form
    166,439.96/229,687.26 = 90,988.52/x
  3. Step 3: Cross multiply
    166,439.96x = 229,687.26 × 90,988.52
  4. Step 4: Simplify right side
    166,439.96x = 20,898,903,850.26
  5. Step 5: Solve for x
    x = 20,898,903,850.26/166,439.96
  6. Step 6: Final answer
    x = 125,564.22

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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.