Home / 113,855.12-170,790.90-43,734.44

Finding the Fourth Proportional to 113,855.12, 170,790.90 and 43,734.44

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Solution

The fourth proportional to 113,855.12, 170,790.90 and 43,734.44 is: 65,604.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,855.12 : 170,790.90 = 43,734.44 : x
  2. Step 2: Convert to fraction form
    113,855.12/170,790.90 = 43,734.44/x
  3. Step 3: Cross multiply
    113,855.12x = 170,790.90 × 43,734.44
  4. Step 4: Simplify right side
    113,855.12x = 7,469,444,368.60
  5. Step 5: Solve for x
    x = 7,469,444,368.60/113,855.12
  6. Step 6: Final answer
    x = 65,604.82

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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.