Home / 110,865.73-166,222.71-39,786.78

Finding the Fourth Proportional to 110,865.73, 166,222.71 and 39,786.78

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Solution

The fourth proportional to 110,865.73, 166,222.71 and 39,786.78 is: 59,652.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,865.73 : 166,222.71 = 39,786.78 : x
  2. Step 2: Convert to fraction form
    110,865.73/166,222.71 = 39,786.78/x
  3. Step 3: Cross multiply
    110,865.73x = 166,222.71 × 39,786.78
  4. Step 4: Simplify right side
    110,865.73x = 6,613,466,393.77
  5. Step 5: Solve for x
    x = 6,613,466,393.77/110,865.73
  6. Step 6: Final answer
    x = 59,652.94

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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.