Home / 166,357.72-229,573.86-90,906.28

Finding the Fourth Proportional to 166,357.72, 229,573.86 and 90,906.28

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Solution

The fourth proportional to 166,357.72, 229,573.86 and 90,906.28 is: 125,450.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,357.72 : 229,573.86 = 90,906.28 : x
  2. Step 2: Convert to fraction form
    166,357.72/229,573.86 = 90,906.28/x
  3. Step 3: Cross multiply
    166,357.72x = 229,573.86 × 90,906.28
  4. Step 4: Simplify right side
    166,357.72x = 20,869,705,597.84
  5. Step 5: Solve for x
    x = 20,869,705,597.84/166,357.72
  6. Step 6: Final answer
    x = 125,450.78

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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.