Home / 143,363.52-197,743.68-131,466.24

Finding the Fourth Proportional to 143,363.52, 197,743.68 and 131,466.24

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Solution

The fourth proportional to 143,363.52, 197,743.68 and 131,466.24 is: 181,333.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,363.52 : 197,743.68 = 131,466.24 : x
  2. Step 2: Convert to fraction form
    143,363.52/197,743.68 = 131,466.24/x
  3. Step 3: Cross multiply
    143,363.52x = 197,743.68 × 131,466.24
  4. Step 4: Simplify right side
    143,363.52x = 25,996,618,093.36
  5. Step 5: Solve for x
    x = 25,996,618,093.36/143,363.52
  6. Step 6: Final answer
    x = 181,333.56

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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.