Home / 143,186.06-197,585.19-82,760.61

Finding the Fourth Proportional to 143,186.06, 197,585.19 and 82,760.61

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Solution

The fourth proportional to 143,186.06, 197,585.19 and 82,760.61 is: 114,202.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,186.06 : 197,585.19 = 82,760.61 : x
  2. Step 2: Convert to fraction form
    143,186.06/197,585.19 = 82,760.61/x
  3. Step 3: Cross multiply
    143,186.06x = 197,585.19 × 82,760.61
  4. Step 4: Simplify right side
    143,186.06x = 16,352,270,851.37
  5. Step 5: Solve for x
    x = 16,352,270,851.37/143,186.06
  6. Step 6: Final answer
    x = 114,202.95

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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.