Home / 132,788.53-199,182.25-53,902.09

Finding the Fourth Proportional to 132,788.53, 199,182.25 and 53,902.09

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Solution

The fourth proportional to 132,788.53, 199,182.25 and 53,902.09 is: 80,852.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,788.53 : 199,182.25 = 53,902.09 : x
  2. Step 2: Convert to fraction form
    132,788.53/199,182.25 = 53,902.09/x
  3. Step 3: Cross multiply
    132,788.53x = 199,182.25 × 53,902.09
  4. Step 4: Simplify right side
    132,788.53x = 10,736,339,565.90
  5. Step 5: Solve for x
    x = 10,736,339,565.90/132,788.53
  6. Step 6: Final answer
    x = 80,852.91

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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.