Home / 166,175.76-229,326.48-90,724.80

Finding the Fourth Proportional to 166,175.76, 229,326.48 and 90,724.80

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Solution

The fourth proportional to 166,175.76, 229,326.48 and 90,724.80 is: 125,202.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,175.76 : 229,326.48 = 90,724.80 : x
  2. Step 2: Convert to fraction form
    166,175.76/229,326.48 = 90,724.80/x
  3. Step 3: Cross multiply
    166,175.76x = 229,326.48 × 90,724.80
  4. Step 4: Simplify right side
    166,175.76x = 20,805,599,032.70
  5. Step 5: Solve for x
    x = 20,805,599,032.70/166,175.76
  6. Step 6: Final answer
    x = 125,202.37

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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.