Home / 132,391.56-198,728.82-53,557.32

Finding the Fourth Proportional to 132,391.56, 198,728.82 and 53,557.32

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Solution

The fourth proportional to 132,391.56, 198,728.82 and 53,557.32 is: 80,393.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,391.56 : 198,728.82 = 53,557.32 : x
  2. Step 2: Convert to fraction form
    132,391.56/198,728.82 = 53,557.32/x
  3. Step 3: Cross multiply
    132,391.56x = 198,728.82 × 53,557.32
  4. Step 4: Simplify right side
    132,391.56x = 10,643,383,005.96
  5. Step 5: Solve for x
    x = 10,643,383,005.96/132,391.56
  6. Step 6: Final answer
    x = 80,393.21

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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.