Home / 143,724.54-198,346.02-80,062.38

Finding the Fourth Proportional to 143,724.54, 198,346.02 and 80,062.38

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Solution

The fourth proportional to 143,724.54, 198,346.02 and 80,062.38 is: 110,489.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,724.54 : 198,346.02 = 80,062.38 : x
  2. Step 2: Convert to fraction form
    143,724.54/198,346.02 = 80,062.38/x
  3. Step 3: Cross multiply
    143,724.54x = 198,346.02 × 80,062.38
  4. Step 4: Simplify right side
    143,724.54x = 15,880,054,424.73
  5. Step 5: Solve for x
    x = 15,880,054,424.73/143,724.54
  6. Step 6: Final answer
    x = 110,489.51

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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.