Home / 166,066.12-229,170.36-90,614.62

Finding the Fourth Proportional to 166,066.12, 229,170.36 and 90,614.62

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Solution

The fourth proportional to 166,066.12, 229,170.36 and 90,614.62 is: 125,047.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,066.12 : 229,170.36 = 90,614.62 : x
  2. Step 2: Convert to fraction form
    166,066.12/229,170.36 = 90,614.62/x
  3. Step 3: Cross multiply
    166,066.12x = 229,170.36 × 90,614.62
  4. Step 4: Simplify right side
    166,066.12x = 20,766,185,086.66
  5. Step 5: Solve for x
    x = 20,766,185,086.66/166,066.12
  6. Step 6: Final answer
    x = 125,047.69

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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.