Home / 99,722.21-149,611.46-40,600.31

Finding the Fourth Proportional to 99,722.21, 149,611.46 and 40,600.31

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Solution

The fourth proportional to 99,722.21, 149,611.46 and 40,600.31 is: 60,911.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,722.21 : 149,611.46 = 40,600.31 : x
  2. Step 2: Convert to fraction form
    99,722.21/149,611.46 = 40,600.31/x
  3. Step 3: Cross multiply
    99,722.21x = 149,611.46 × 40,600.31
  4. Step 4: Simplify right side
    99,722.21x = 6,074,270,704.49
  5. Step 5: Solve for x
    x = 6,074,270,704.49/99,722.21
  6. Step 6: Final answer
    x = 60,911.92

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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.