Home / 166,168.26-229,311.02-90,716.76

Finding the Fourth Proportional to 166,168.26, 229,311.02 and 90,716.76

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Solution

The fourth proportional to 166,168.26, 229,311.02 and 90,716.76 is: 125,188.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,168.26 : 229,311.02 = 90,716.76 : x
  2. Step 2: Convert to fraction form
    166,168.26/229,311.02 = 90,716.76/x
  3. Step 3: Cross multiply
    166,168.26x = 229,311.02 × 90,716.76
  4. Step 4: Simplify right side
    166,168.26x = 20,802,352,993.49
  5. Step 5: Solve for x
    x = 20,802,352,993.49/166,168.26
  6. Step 6: Final answer
    x = 125,188.49

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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.