Home / 110,682.45-166,005.86-31,778.73

Finding the Fourth Proportional to 110,682.45, 166,005.86 and 31,778.73

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Solution

The fourth proportional to 110,682.45, 166,005.86 and 31,778.73 is: 47,662.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,682.45 : 166,005.86 = 31,778.73 : x
  2. Step 2: Convert to fraction form
    110,682.45/166,005.86 = 31,778.73/x
  3. Step 3: Cross multiply
    110,682.45x = 166,005.86 × 31,778.73
  4. Step 4: Simplify right side
    110,682.45x = 5,275,455,244.46
  5. Step 5: Solve for x
    x = 5,275,455,244.46/110,682.45
  6. Step 6: Final answer
    x = 47,662.98

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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.