Home / 131,808.15-197,749.13-52,977.73

Finding the Fourth Proportional to 131,808.15, 197,749.13 and 52,977.73

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Solution

The fourth proportional to 131,808.15, 197,749.13 and 52,977.73 is: 79,481.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,808.15 : 197,749.13 = 52,977.73 : x
  2. Step 2: Convert to fraction form
    131,808.15/197,749.13 = 52,977.73/x
  3. Step 3: Cross multiply
    131,808.15x = 197,749.13 × 52,977.73
  4. Step 4: Simplify right side
    131,808.15x = 10,476,300,016.87
  5. Step 5: Solve for x
    x = 10,476,300,016.87/131,808.15
  6. Step 6: Final answer
    x = 79,481.43

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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.