Home / 143,069.72-197,390.54-82,632.38

Finding the Fourth Proportional to 143,069.72, 197,390.54 and 82,632.38

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Solution

The fourth proportional to 143,069.72, 197,390.54 and 82,632.38 is: 114,006.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,069.72 : 197,390.54 = 82,632.38 : x
  2. Step 2: Convert to fraction form
    143,069.72/197,390.54 = 82,632.38/x
  3. Step 3: Cross multiply
    143,069.72x = 197,390.54 × 82,632.38
  4. Step 4: Simplify right side
    143,069.72x = 16,310,848,709.57
  5. Step 5: Solve for x
    x = 16,310,848,709.57/143,069.72
  6. Step 6: Final answer
    x = 114,006.30

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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.