Home / 143,194.32-197,637.60-82,756.32

Finding the Fourth Proportional to 143,194.32, 197,637.60 and 82,756.32

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Solution

The fourth proportional to 143,194.32, 197,637.60 and 82,756.32 is: 114,220.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,194.32 : 197,637.60 = 82,756.32 : x
  2. Step 2: Convert to fraction form
    143,194.32/197,637.60 = 82,756.32/x
  3. Step 3: Cross multiply
    143,194.32x = 197,637.60 × 82,756.32
  4. Step 4: Simplify right side
    143,194.32x = 16,355,760,469.63
  5. Step 5: Solve for x
    x = 16,355,760,469.63/143,194.32
  6. Step 6: Final answer
    x = 114,220.73

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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.