Home / 166,409.37-229,645.13-90,957.87

Finding the Fourth Proportional to 166,409.37, 229,645.13 and 90,957.87

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Solution

The fourth proportional to 166,409.37, 229,645.13 and 90,957.87 is: 125,521.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,409.37 : 229,645.13 = 90,957.87 : x
  2. Step 2: Convert to fraction form
    166,409.37/229,645.13 = 90,957.87/x
  3. Step 3: Cross multiply
    166,409.37x = 229,645.13 × 90,957.87
  4. Step 4: Simplify right side
    166,409.37x = 20,888,031,425.88
  5. Step 5: Solve for x
    x = 20,888,031,425.88/166,409.37
  6. Step 6: Final answer
    x = 125,521.97

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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.