Home / 131,937.95-197,439.75-82,041.54

Finding the Fourth Proportional to 131,937.95, 197,439.75 and 82,041.54

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Solution

The fourth proportional to 131,937.95, 197,439.75 and 82,041.54 is: 122,771.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,937.95 : 197,439.75 = 82,041.54 : x
  2. Step 2: Convert to fraction form
    131,937.95/197,439.75 = 82,041.54/x
  3. Step 3: Cross multiply
    131,937.95x = 197,439.75 × 82,041.54
  4. Step 4: Simplify right side
    131,937.95x = 16,198,261,147.22
  5. Step 5: Solve for x
    x = 16,198,261,147.22/131,937.95
  6. Step 6: Final answer
    x = 122,771.81

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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.