Home / 131,739.82-197,615.21-38,245.57

Finding the Fourth Proportional to 131,739.82, 197,615.21 and 38,245.57

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Solution

The fourth proportional to 131,739.82, 197,615.21 and 38,245.57 is: 57,369.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,739.82 : 197,615.21 = 38,245.57 : x
  2. Step 2: Convert to fraction form
    131,739.82/197,615.21 = 38,245.57/x
  3. Step 3: Cross multiply
    131,739.82x = 197,615.21 × 38,245.57
  4. Step 4: Simplify right side
    131,739.82x = 7,557,906,347.12
  5. Step 5: Solve for x
    x = 7,557,906,347.12/131,739.82
  6. Step 6: Final answer
    x = 57,369.95

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1.5x scale

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.