Finding the Fourth Proportional to 126,660.24, 190,055.97 and 91,886.94
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Solution
The fourth proportional to 126,660.24, 190,055.97 and 91,886.94 is: 137,878.01
Step by Step Solution
- Step 1: Write the proportion equation
126,660.24 : 190,055.97 = 91,886.94 : x - Step 2: Convert to fraction form
126,660.24/190,055.97 = 91,886.94/x - Step 3: Cross multiply
126,660.24x = 190,055.97 × 91,886.94 - Step 4: Simplify right side
126,660.24x = 17,463,661,512.03 - Step 5: Solve for x
x = 17,463,661,512.03/126,660.24 - Step 6: Final answer
x = 137,878.01
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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.