Home / 166,145.24-229,281.90-90,696.44

Finding the Fourth Proportional to 166,145.24, 229,281.90 and 90,696.44

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Solution

The fourth proportional to 166,145.24, 229,281.90 and 90,696.44 is: 125,161.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,145.24 : 229,281.90 = 90,696.44 : x
  2. Step 2: Convert to fraction form
    166,145.24/229,281.90 = 90,696.44/x
  3. Step 3: Cross multiply
    166,145.24x = 229,281.90 × 90,696.44
  4. Step 4: Simplify right side
    166,145.24x = 20,795,052,086.44
  5. Step 5: Solve for x
    x = 20,795,052,086.44/166,145.24
  6. Step 6: Final answer
    x = 125,161.89

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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.