Home / 198,742.98-298,107.59-56,589.15

Finding the Fourth Proportional to 198,742.98, 298,107.59 and 56,589.15

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Solution

The fourth proportional to 198,742.98, 298,107.59 and 56,589.15 is: 84,881.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,742.98 : 298,107.59 = 56,589.15 : x
  2. Step 2: Convert to fraction form
    198,742.98/298,107.59 = 56,589.15/x
  3. Step 3: Cross multiply
    198,742.98x = 298,107.59 × 56,589.15
  4. Step 4: Simplify right side
    198,742.98x = 16,869,654,843.70
  5. Step 5: Solve for x
    x = 16,869,654,843.70/198,742.98
  6. Step 6: Final answer
    x = 84,881.76

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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.