Home / 166,078.89-229,189.50-90,627.39

Finding the Fourth Proportional to 166,078.89, 229,189.50 and 90,627.39

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Solution

The fourth proportional to 166,078.89, 229,189.50 and 90,627.39 is: 125,066.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,078.89 : 229,189.50 = 90,627.39 : x
  2. Step 2: Convert to fraction form
    166,078.89/229,189.50 = 90,627.39/x
  3. Step 3: Cross multiply
    166,078.89x = 229,189.50 × 90,627.39
  4. Step 4: Simplify right side
    166,078.89x = 20,770,846,200.41
  5. Step 5: Solve for x
    x = 20,770,846,200.41/166,078.89
  6. Step 6: Final answer
    x = 125,066.14

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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.