Finding the Fourth Proportional to 126,112.08, 174,036.60 and 68,751.44
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Solution
The fourth proportional to 126,112.08, 174,036.60 and 68,751.44 is: 94,878.03
Step by Step Solution
- Step 1: Write the proportion equation
126,112.08 : 174,036.60 = 68,751.44 : x - Step 2: Convert to fraction form
126,112.08/174,036.60 = 68,751.44/x - Step 3: Cross multiply
126,112.08x = 174,036.60 × 68,751.44 - Step 4: Simplify right side
126,112.08x = 11,965,265,992.52 - Step 5: Solve for x
x = 11,965,265,992.52/126,112.08 - Step 6: Final answer
x = 94,878.03
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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.