Home / 143,165.16-197,596.94-82,738.35

Finding the Fourth Proportional to 143,165.16, 197,596.94 and 82,738.35

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Solution

The fourth proportional to 143,165.16, 197,596.94 and 82,738.35 is: 114,195.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,165.16 : 197,596.94 = 82,738.35 : x
  2. Step 2: Convert to fraction form
    143,165.16/197,596.94 = 82,738.35/x
  3. Step 3: Cross multiply
    143,165.16x = 197,596.94 × 82,738.35
  4. Step 4: Simplify right side
    143,165.16x = 16,348,844,366.96
  5. Step 5: Solve for x
    x = 16,348,844,366.96/143,165.16
  6. Step 6: Final answer
    x = 114,195.69

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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.