Home / 166,290.75-229,486.28-90,844.11

Finding the Fourth Proportional to 166,290.75, 229,486.28 and 90,844.11

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Solution

The fourth proportional to 166,290.75, 229,486.28 and 90,844.11 is: 125,367.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,290.75 : 229,486.28 = 90,844.11 : x
  2. Step 2: Convert to fraction form
    166,290.75/229,486.28 = 90,844.11/x
  3. Step 3: Cross multiply
    166,290.75x = 229,486.28 × 90,844.11
  4. Step 4: Simplify right side
    166,290.75x = 20,847,476,863.81
  5. Step 5: Solve for x
    x = 20,847,476,863.81/166,290.75
  6. Step 6: Final answer
    x = 125,367.63

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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.