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Finding the Fourth Proportional to 60,162.75, 90,173.66 and 20,684.97

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Solution

The fourth proportional to 60,162.75, 90,173.66 and 20,684.97 is: 31,003.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,162.75 : 90,173.66 = 20,684.97 : x
  2. Step 2: Convert to fraction form
    60,162.75/90,173.66 = 20,684.97/x
  3. Step 3: Cross multiply
    60,162.75x = 90,173.66 × 20,684.97
  4. Step 4: Simplify right side
    60,162.75x = 1,865,239,348.47
  5. Step 5: Solve for x
    x = 1,865,239,348.47/60,162.75
  6. Step 6: Final answer
    x = 31,003.23

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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.