Finding the Fourth Proportional to 126,101.97, 174,021.93 and 69,515.37
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Solution
The fourth proportional to 126,101.97, 174,021.93 and 69,515.37 is: 95,931.88
Step by Step Solution
- Step 1: Write the proportion equation
126,101.97 : 174,021.93 = 69,515.37 : x - Step 2: Convert to fraction form
126,101.97/174,021.93 = 69,515.37/x - Step 3: Cross multiply
126,101.97x = 174,021.93 × 69,515.37 - Step 4: Simplify right side
126,101.97x = 12,097,198,852.06 - Step 5: Solve for x
x = 12,097,198,852.06/126,101.97 - Step 6: Final answer
x = 95,931.88
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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.