Home / 133,019.45-199,172.42-83,000.03

Finding the Fourth Proportional to 133,019.45, 199,172.42 and 83,000.03

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Solution

The fourth proportional to 133,019.45, 199,172.42 and 83,000.03 is: 124,277.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,019.45 : 199,172.42 = 83,000.03 : x
  2. Step 2: Convert to fraction form
    133,019.45/199,172.42 = 83,000.03/x
  3. Step 3: Cross multiply
    133,019.45x = 199,172.42 × 83,000.03
  4. Step 4: Simplify right side
    133,019.45x = 16,531,315,735.56
  5. Step 5: Solve for x
    x = 16,531,315,735.56/133,019.45
  6. Step 6: Final answer
    x = 124,277.43

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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.