Home / 197,110.05-295,685.68-90,475.80

Finding the Fourth Proportional to 197,110.05, 295,685.68 and 90,475.80

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Solution

The fourth proportional to 197,110.05, 295,685.68 and 90,475.80 is: 135,723.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,110.05 : 295,685.68 = 90,475.80 : x
  2. Step 2: Convert to fraction form
    197,110.05/295,685.68 = 90,475.80/x
  3. Step 3: Cross multiply
    197,110.05x = 295,685.68 × 90,475.80
  4. Step 4: Simplify right side
    197,110.05x = 26,752,398,446.54
  5. Step 5: Solve for x
    x = 26,752,398,446.54/197,110.05
  6. Step 6: Final answer
    x = 135,723.16

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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.