Home / 132,120.64-198,201.57-43,353.94

Finding the Fourth Proportional to 132,120.64, 198,201.57 and 43,353.94

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Solution

The fourth proportional to 132,120.64, 198,201.57 and 43,353.94 is: 65,037.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,120.64 : 198,201.57 = 43,353.94 : x
  2. Step 2: Convert to fraction form
    132,120.64/198,201.57 = 43,353.94/x
  3. Step 3: Cross multiply
    132,120.64x = 198,201.57 × 43,353.94
  4. Step 4: Simplify right side
    132,120.64x = 8,592,818,973.69
  5. Step 5: Solve for x
    x = 8,592,818,973.69/132,120.64
  6. Step 6: Final answer
    x = 65,037.67

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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.