Home / 126,542.36-174,629.25-69,181.81

Finding the Fourth Proportional to 126,542.36, 174,629.25 and 69,181.81

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Solution

The fourth proportional to 126,542.36, 174,629.25 and 69,181.81 is: 95,471.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,542.36 : 174,629.25 = 69,181.81 : x
  2. Step 2: Convert to fraction form
    126,542.36/174,629.25 = 69,181.81/x
  3. Step 3: Cross multiply
    126,542.36x = 174,629.25 × 69,181.81
  4. Step 4: Simplify right side
    126,542.36x = 12,081,167,157.37
  5. Step 5: Solve for x
    x = 12,081,167,157.37/126,542.36
  6. Step 6: Final answer
    x = 95,471.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.