Home / 142,906.31-197,226.96-82,493.16

Finding the Fourth Proportional to 142,906.31, 197,226.96 and 82,493.16

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Solution

The fourth proportional to 142,906.31, 197,226.96 and 82,493.16 is: 113,849.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,906.31 : 197,226.96 = 82,493.16 : x
  2. Step 2: Convert to fraction form
    142,906.31/197,226.96 = 82,493.16/x
  3. Step 3: Cross multiply
    142,906.31x = 197,226.96 × 82,493.16
  4. Step 4: Simplify right side
    142,906.31x = 16,269,875,167.59
  5. Step 5: Solve for x
    x = 16,269,875,167.59/142,906.31
  6. Step 6: Final answer
    x = 113,849.95

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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.