Home / 110,864.73-166,221.21-39,785.78

Finding the Fourth Proportional to 110,864.73, 166,221.21 and 39,785.78

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Solution

The fourth proportional to 110,864.73, 166,221.21 and 39,785.78 is: 59,651.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,864.73 : 166,221.21 = 39,785.78 : x
  2. Step 2: Convert to fraction form
    110,864.73/166,221.21 = 39,785.78/x
  3. Step 3: Cross multiply
    110,864.73x = 166,221.21 × 39,785.78
  4. Step 4: Simplify right side
    110,864.73x = 6,613,241,057.14
  5. Step 5: Solve for x
    x = 6,613,241,057.14/110,864.73
  6. Step 6: Final answer
    x = 59,651.44

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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.