Home / 143,196.11-197,646.35-82,801.58

Finding the Fourth Proportional to 143,196.11, 197,646.35 and 82,801.58

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Solution

The fourth proportional to 143,196.11, 197,646.35 and 82,801.58 is: 114,286.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,196.11 : 197,646.35 = 82,801.58 : x
  2. Step 2: Convert to fraction form
    143,196.11/197,646.35 = 82,801.58/x
  3. Step 3: Cross multiply
    143,196.11x = 197,646.35 × 82,801.58
  4. Step 4: Simplify right side
    143,196.11x = 16,365,428,658.99
  5. Step 5: Solve for x
    x = 16,365,428,658.99/143,196.11
  6. Step 6: Final answer
    x = 114,286.83

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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.