Home / 142,824.56-197,091.09-82,414.62

Finding the Fourth Proportional to 142,824.56, 197,091.09 and 82,414.62

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Solution

The fourth proportional to 142,824.56, 197,091.09 and 82,414.62 is: 113,728.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,824.56 : 197,091.09 = 82,414.62 : x
  2. Step 2: Convert to fraction form
    142,824.56/197,091.09 = 82,414.62/x
  3. Step 3: Cross multiply
    142,824.56x = 197,091.09 × 82,414.62
  4. Step 4: Simplify right side
    142,824.56x = 16,243,187,287.74
  5. Step 5: Solve for x
    x = 16,243,187,287.74/142,824.56
  6. Step 6: Final answer
    x = 113,728.25

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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.