Home / 87,361.50-131,069.97-31,200.42

Finding the Fourth Proportional to 87,361.50, 131,069.97 and 31,200.42

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Solution

The fourth proportional to 87,361.50, 131,069.97 and 31,200.42 is: 46,810.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,361.50 : 131,069.97 = 31,200.42 : x
  2. Step 2: Convert to fraction form
    87,361.50/131,069.97 = 31,200.42/x
  3. Step 3: Cross multiply
    87,361.50x = 131,069.97 × 31,200.42
  4. Step 4: Simplify right side
    87,361.50x = 4,089,438,113.39
  5. Step 5: Solve for x
    x = 4,089,438,113.39/87,361.50
  6. Step 6: Final answer
    x = 46,810.53

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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.