Home / 166,160.76-229,305.78-90,709.80

Finding the Fourth Proportional to 166,160.76, 229,305.78 and 90,709.80

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Solution

The fourth proportional to 166,160.76, 229,305.78 and 90,709.80 is: 125,181.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,160.76 : 229,305.78 = 90,709.80 : x
  2. Step 2: Convert to fraction form
    166,160.76/229,305.78 = 90,709.80/x
  3. Step 3: Cross multiply
    166,160.76x = 229,305.78 × 90,709.80
  4. Step 4: Simplify right side
    166,160.76x = 20,800,281,442.64
  5. Step 5: Solve for x
    x = 20,800,281,442.64/166,160.76
  6. Step 6: Final answer
    x = 125,181.67

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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.