Home / 132,629.64-198,944.34-39,128.04

Finding the Fourth Proportional to 132,629.64, 198,944.34 and 39,128.04

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Solution

The fourth proportional to 132,629.64, 198,944.34 and 39,128.04 is: 58,692.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,629.64 : 198,944.34 = 39,128.04 : x
  2. Step 2: Convert to fraction form
    132,629.64/198,944.34 = 39,128.04/x
  3. Step 3: Cross multiply
    132,629.64x = 198,944.34 × 39,128.04
  4. Step 4: Simplify right side
    132,629.64x = 7,784,302,093.29
  5. Step 5: Solve for x
    x = 7,784,302,093.29/132,629.64
  6. Step 6: Final answer
    x = 58,692.02

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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.