Home / 197,129.40-295,694.10-122,722.80

Finding the Fourth Proportional to 197,129.40, 295,694.10 and 122,722.80

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Solution

The fourth proportional to 197,129.40, 295,694.10 and 122,722.80 is: 184,084.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,129.40 : 295,694.10 = 122,722.80 : x
  2. Step 2: Convert to fraction form
    197,129.40/295,694.10 = 122,722.80/x
  3. Step 3: Cross multiply
    197,129.40x = 295,694.10 × 122,722.80
  4. Step 4: Simplify right side
    197,129.40x = 36,288,407,895.48
  5. Step 5: Solve for x
    x = 36,288,407,895.48/197,129.40
  6. Step 6: Final answer
    x = 184,084.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.