Home / 143,199.11-197,650.49-82,804.58

Finding the Fourth Proportional to 143,199.11, 197,650.49 and 82,804.58

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Solution

The fourth proportional to 143,199.11, 197,650.49 and 82,804.58 is: 114,290.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,199.11 : 197,650.49 = 82,804.58 : x
  2. Step 2: Convert to fraction form
    143,199.11/197,650.49 = 82,804.58/x
  3. Step 3: Cross multiply
    143,199.11x = 197,650.49 × 82,804.58
  4. Step 4: Simplify right side
    143,199.11x = 16,366,364,408.97
  5. Step 5: Solve for x
    x = 16,366,364,408.97/143,199.11
  6. Step 6: Final answer
    x = 114,290.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.