Home / 126,698.16-174,111.47-120,843.60

Finding the Fourth Proportional to 126,698.16, 174,111.47 and 120,843.60

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Solution

The fourth proportional to 126,698.16, 174,111.47 and 120,843.60 is: 166,066.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,698.16 : 174,111.47 = 120,843.60 : x
  2. Step 2: Convert to fraction form
    126,698.16/174,111.47 = 120,843.60/x
  3. Step 3: Cross multiply
    126,698.16x = 174,111.47 × 120,843.60
  4. Step 4: Simplify right side
    126,698.16x = 21,040,256,231.87
  5. Step 5: Solve for x
    x = 21,040,256,231.87/126,698.16
  6. Step 6: Final answer
    x = 166,066.00

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.