Home / 166,789.80-250,182.48-40,431.15

Finding the Fourth Proportional to 166,789.80, 250,182.48 and 40,431.15

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Solution

The fourth proportional to 166,789.80, 250,182.48 and 40,431.15 is: 60,646.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,789.80 : 250,182.48 = 40,431.15 : x
  2. Step 2: Convert to fraction form
    166,789.80/250,182.48 = 40,431.15/x
  3. Step 3: Cross multiply
    166,789.80x = 250,182.48 × 40,431.15
  4. Step 4: Simplify right side
    166,789.80x = 10,115,165,376.25
  5. Step 5: Solve for x
    x = 10,115,165,376.25/166,789.80
  6. Step 6: Final answer
    x = 60,646.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.