Home / 132,600.09-198,914.03-76,503.54

Finding the Fourth Proportional to 132,600.09, 198,914.03 and 76,503.54

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Solution

The fourth proportional to 132,600.09, 198,914.03 and 76,503.54 is: 114,763.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,600.09 : 198,914.03 = 76,503.54 : x
  2. Step 2: Convert to fraction form
    132,600.09/198,914.03 = 76,503.54/x
  3. Step 3: Cross multiply
    132,600.09x = 198,914.03 × 76,503.54
  4. Step 4: Simplify right side
    132,600.09x = 15,217,626,982.07
  5. Step 5: Solve for x
    x = 15,217,626,982.07/132,600.09
  6. Step 6: Final answer
    x = 114,763.32

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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.