Home / 112,040.36-167,665.64-69,940.20

Finding the Fourth Proportional to 112,040.36, 167,665.64 and 69,940.20

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Solution

The fourth proportional to 112,040.36, 167,665.64 and 69,940.20 is: 104,663.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,040.36 : 167,665.64 = 69,940.20 : x
  2. Step 2: Convert to fraction form
    112,040.36/167,665.64 = 69,940.20/x
  3. Step 3: Cross multiply
    112,040.36x = 167,665.64 × 69,940.20
  4. Step 4: Simplify right side
    112,040.36x = 11,726,568,394.73
  5. Step 5: Solve for x
    x = 11,726,568,394.73/112,040.36
  6. Step 6: Final answer
    x = 104,663.79

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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.