Home / 131,611.20-197,125.20-52,684.80

Finding the Fourth Proportional to 131,611.20, 197,125.20 and 52,684.80

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Solution

The fourth proportional to 131,611.20, 197,125.20 and 52,684.80 is: 78,910.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,611.20 : 197,125.20 = 52,684.80 : x
  2. Step 2: Convert to fraction form
    131,611.20/197,125.20 = 52,684.80/x
  3. Step 3: Cross multiply
    131,611.20x = 197,125.20 × 52,684.80
  4. Step 4: Simplify right side
    131,611.20x = 10,385,501,736.96
  5. Step 5: Solve for x
    x = 10,385,501,736.96/131,611.20
  6. Step 6: Final answer
    x = 78,910.47

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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.