Home / 143,166.24-197,555.76-82,725.12

Finding the Fourth Proportional to 143,166.24, 197,555.76 and 82,725.12

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Solution

The fourth proportional to 143,166.24, 197,555.76 and 82,725.12 is: 114,152.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,166.24 : 197,555.76 = 82,725.12 : x
  2. Step 2: Convert to fraction form
    143,166.24/197,555.76 = 82,725.12/x
  3. Step 3: Cross multiply
    143,166.24x = 197,555.76 × 82,725.12
  4. Step 4: Simplify right side
    143,166.24x = 16,342,823,952.69
  5. Step 5: Solve for x
    x = 16,342,823,952.69/143,166.24
  6. Step 6: Final answer
    x = 114,152.78

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1.5x scale

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.