Home / 142,992.73-197,358.69-82,573.21

Finding the Fourth Proportional to 142,992.73, 197,358.69 and 82,573.21

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Solution

The fourth proportional to 142,992.73, 197,358.69 and 82,573.21 is: 113,967.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,992.73 : 197,358.69 = 82,573.21 : x
  2. Step 2: Convert to fraction form
    142,992.73/197,358.69 = 82,573.21/x
  3. Step 3: Cross multiply
    142,992.73x = 197,358.69 × 82,573.21
  4. Step 4: Simplify right side
    142,992.73x = 16,296,540,554.69
  5. Step 5: Solve for x
    x = 16,296,540,554.69/142,992.73
  6. Step 6: Final answer
    x = 113,967.62

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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.