Home / 198,886.83-298,297.62-54,759.03

Finding the Fourth Proportional to 198,886.83, 298,297.62 and 54,759.03

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Solution

The fourth proportional to 198,886.83, 298,297.62 and 54,759.03 is: 82,129.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,886.83 : 298,297.62 = 54,759.03 : x
  2. Step 2: Convert to fraction form
    198,886.83/298,297.62 = 54,759.03/x
  3. Step 3: Cross multiply
    198,886.83x = 298,297.62 × 54,759.03
  4. Step 4: Simplify right side
    198,886.83x = 16,334,488,322.51
  5. Step 5: Solve for x
    x = 16,334,488,322.51/198,886.83
  6. Step 6: Final answer
    x = 82,129.56

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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.