Home / 142,995.24-197,342.79-82,568.43

Finding the Fourth Proportional to 142,995.24, 197,342.79 and 82,568.43

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Solution

The fourth proportional to 142,995.24, 197,342.79 and 82,568.43 is: 113,949.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,995.24 : 197,342.79 = 82,568.43 : x
  2. Step 2: Convert to fraction form
    142,995.24/197,342.79 = 82,568.43/x
  3. Step 3: Cross multiply
    142,995.24x = 197,342.79 × 82,568.43
  4. Step 4: Simplify right side
    142,995.24x = 16,294,284,342.12
  5. Step 5: Solve for x
    x = 16,294,284,342.12/142,995.24
  6. Step 6: Final answer
    x = 113,949.84

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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.