Home / 110,768.37-166,162.83-85,836.30

Finding the Fourth Proportional to 110,768.37, 166,162.83 and 85,836.30

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Solution

The fourth proportional to 110,768.37, 166,162.83 and 85,836.30 is: 128,762.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,768.37 : 166,162.83 = 85,836.30 : x
  2. Step 2: Convert to fraction form
    110,768.37/166,162.83 = 85,836.30/x
  3. Step 3: Cross multiply
    110,768.37x = 166,162.83 × 85,836.30
  4. Step 4: Simplify right side
    110,768.37x = 14,262,802,524.73
  5. Step 5: Solve for x
    x = 14,262,802,524.73/110,768.37
  6. Step 6: Final answer
    x = 128,762.41

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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.