Home / 166,311.54-229,509.42-90,860.58

Finding the Fourth Proportional to 166,311.54, 229,509.42 and 90,860.58

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Solution

The fourth proportional to 166,311.54, 229,509.42 and 90,860.58 is: 125,387.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,311.54 : 229,509.42 = 90,860.58 : x
  2. Step 2: Convert to fraction form
    166,311.54/229,509.42 = 90,860.58/x
  3. Step 3: Cross multiply
    166,311.54x = 229,509.42 × 90,860.58
  4. Step 4: Simplify right side
    166,311.54x = 20,853,359,016.66
  5. Step 5: Solve for x
    x = 20,853,359,016.66/166,311.54
  6. Step 6: Final answer
    x = 125,387.32

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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.