Home / 126,896.25-190,313.19-55,836.72

Finding the Fourth Proportional to 126,896.25, 190,313.19 and 55,836.72

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Solution

The fourth proportional to 126,896.25, 190,313.19 and 55,836.72 is: 83,741.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,896.25 : 190,313.19 = 55,836.72 : x
  2. Step 2: Convert to fraction form
    126,896.25/190,313.19 = 55,836.72/x
  3. Step 3: Cross multiply
    126,896.25x = 190,313.19 × 55,836.72
  4. Step 4: Simplify right side
    126,896.25x = 10,626,464,302.34
  5. Step 5: Solve for x
    x = 10,626,464,302.34/126,896.25
  6. Step 6: Final answer
    x = 83,741.36

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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.