Home / 166,179.82-229,326.96-90,728.32

Finding the Fourth Proportional to 166,179.82, 229,326.96 and 90,728.32

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Solution

The fourth proportional to 166,179.82, 229,326.96 and 90,728.32 is: 125,204.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,179.82 : 229,326.96 = 90,728.32 : x
  2. Step 2: Convert to fraction form
    166,179.82/229,326.96 = 90,728.32/x
  3. Step 3: Cross multiply
    166,179.82x = 229,326.96 × 90,728.32
  4. Step 4: Simplify right side
    166,179.82x = 20,806,449,811.51
  5. Step 5: Solve for x
    x = 20,806,449,811.51/166,179.82
  6. Step 6: Final answer
    x = 125,204.43

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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.