Home / 166,781.09-250,170.06-72,078.23

Finding the Fourth Proportional to 166,781.09, 250,170.06 and 72,078.23

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Solution

The fourth proportional to 166,781.09, 250,170.06 and 72,078.23 is: 108,116.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,781.09 : 250,170.06 = 72,078.23 : x
  2. Step 2: Convert to fraction form
    166,781.09/250,170.06 = 72,078.23/x
  3. Step 3: Cross multiply
    166,781.09x = 250,170.06 × 72,078.23
  4. Step 4: Simplify right side
    166,781.09x = 18,031,813,872.94
  5. Step 5: Solve for x
    x = 18,031,813,872.94/166,781.09
  6. Step 6: Final answer
    x = 108,116.66

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1.5x scale

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.