Home / 143,371.17-197,795.39-82,930.59

Finding the Fourth Proportional to 143,371.17, 197,795.39 and 82,930.59

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Solution

The fourth proportional to 143,371.17, 197,795.39 and 82,930.59 is: 114,411.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,371.17 : 197,795.39 = 82,930.59 : x
  2. Step 2: Convert to fraction form
    143,371.17/197,795.39 = 82,930.59/x
  3. Step 3: Cross multiply
    143,371.17x = 197,795.39 × 82,930.59
  4. Step 4: Simplify right side
    143,371.17x = 16,403,287,977.33
  5. Step 5: Solve for x
    x = 16,403,287,977.33/143,371.17
  6. Step 6: Final answer
    x = 114,411.34

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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.