Home / 195,383.15-293,074.73-55,141.78

Finding the Fourth Proportional to 195,383.15, 293,074.73 and 55,141.78

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Solution

The fourth proportional to 195,383.15, 293,074.73 and 55,141.78 is: 82,712.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,383.15 : 293,074.73 = 55,141.78 : x
  2. Step 2: Convert to fraction form
    195,383.15/293,074.73 = 55,141.78/x
  3. Step 3: Cross multiply
    195,383.15x = 293,074.73 × 55,141.78
  4. Step 4: Simplify right side
    195,383.15x = 16,160,661,690.39
  5. Step 5: Solve for x
    x = 16,160,661,690.39/195,383.15
  6. Step 6: Final answer
    x = 82,712.67

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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.