Home / 132,106.40-198,183.60-43,335.20

Finding the Fourth Proportional to 132,106.40, 198,183.60 and 43,335.20

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Solution

The fourth proportional to 132,106.40, 198,183.60 and 43,335.20 is: 65,010.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,106.40 : 198,183.60 = 43,335.20 : x
  2. Step 2: Convert to fraction form
    132,106.40/198,183.60 = 43,335.20/x
  3. Step 3: Cross multiply
    132,106.40x = 198,183.60 × 43,335.20
  4. Step 4: Simplify right side
    132,106.40x = 8,588,325,942.72
  5. Step 5: Solve for x
    x = 8,588,325,942.72/132,106.40
  6. Step 6: Final answer
    x = 65,010.67

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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.