Home / 166,266.92-229,448.38-90,815.42

Finding the Fourth Proportional to 166,266.92, 229,448.38 and 90,815.42

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Solution

The fourth proportional to 166,266.92, 229,448.38 and 90,815.42 is: 125,325.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,266.92 : 229,448.38 = 90,815.42 : x
  2. Step 2: Convert to fraction form
    166,266.92/229,448.38 = 90,815.42/x
  3. Step 3: Cross multiply
    166,266.92x = 229,448.38 × 90,815.42
  4. Step 4: Simplify right side
    166,266.92x = 20,837,450,998.02
  5. Step 5: Solve for x
    x = 20,837,450,998.02/166,266.92
  6. Step 6: Final answer
    x = 125,325.30

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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.