Home / 143,010.74-197,383.54-82,591.22

Finding the Fourth Proportional to 143,010.74, 197,383.54 and 82,591.22

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Solution

The fourth proportional to 143,010.74, 197,383.54 and 82,591.22 is: 113,992.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,010.74 : 197,383.54 = 82,591.22 : x
  2. Step 2: Convert to fraction form
    143,010.74/197,383.54 = 82,591.22/x
  3. Step 3: Cross multiply
    143,010.74x = 197,383.54 × 82,591.22
  4. Step 4: Simplify right side
    143,010.74x = 16,302,147,376.52
  5. Step 5: Solve for x
    x = 16,302,147,376.52/143,010.74
  6. Step 6: Final answer
    x = 113,992.47

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1.5x scale

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.