Home / 143,295.08-197,731.47-82,856.57

Finding the Fourth Proportional to 143,295.08, 197,731.47 and 82,856.57

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Solution

The fourth proportional to 143,295.08, 197,731.47 and 82,856.57 is: 114,332.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,295.08 : 197,731.47 = 82,856.57 : x
  2. Step 2: Convert to fraction form
    143,295.08/197,731.47 = 82,856.57/x
  3. Step 3: Cross multiply
    143,295.08x = 197,731.47 × 82,856.57
  4. Step 4: Simplify right side
    143,295.08x = 16,383,350,396.60
  5. Step 5: Solve for x
    x = 16,383,350,396.60/143,295.08
  6. Step 6: Final answer
    x = 114,332.96

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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.