Home / 166,687.49-250,043.99-71,919.92

Finding the Fourth Proportional to 166,687.49, 250,043.99 and 71,919.92

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Solution

The fourth proportional to 166,687.49, 250,043.99 and 71,919.92 is: 107,885.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,687.49 : 250,043.99 = 71,919.92 : x
  2. Step 2: Convert to fraction form
    166,687.49/250,043.99 = 71,919.92/x
  3. Step 3: Cross multiply
    166,687.49x = 250,043.99 × 71,919.92
  4. Step 4: Simplify right side
    166,687.49x = 17,983,142,147.46
  5. Step 5: Solve for x
    x = 17,983,142,147.46/166,687.49
  6. Step 6: Final answer
    x = 107,885.38

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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.