Home / 166,230.50-229,399.35-90,779

Finding the Fourth Proportional to 166,230.50, 229,399.35 and 90,779

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Solution

The fourth proportional to 166,230.50, 229,399.35 and 90,779 is: 125,275.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,230.50 : 229,399.35 = 90,779 : x
  2. Step 2: Convert to fraction form
    166,230.50/229,399.35 = 90,779/x
  3. Step 3: Cross multiply
    166,230.50x = 229,399.35 × 90,779
  4. Step 4: Simplify right side
    166,230.50x = 20,824,643,593.65
  5. Step 5: Solve for x
    x = 20,824,643,593.65/166,230.50
  6. Step 6: Final answer
    x = 125,275.71

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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.