Home / 166,323.40-229,519.14-90,872.20

Finding the Fourth Proportional to 166,323.40, 229,519.14 and 90,872.20

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Solution

The fourth proportional to 166,323.40, 229,519.14 and 90,872.20 is: 125,399.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,323.40 : 229,519.14 = 90,872.20 : x
  2. Step 2: Convert to fraction form
    166,323.40/229,519.14 = 90,872.20/x
  3. Step 3: Cross multiply
    166,323.40x = 229,519.14 × 90,872.20
  4. Step 4: Simplify right side
    166,323.40x = 20,856,909,193.91
  5. Step 5: Solve for x
    x = 20,856,909,193.91/166,323.40
  6. Step 6: Final answer
    x = 125,399.73

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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.