Finding the Fourth Proportional to 126,168.60, 174,110.43 and 68,808.36
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Solution
The fourth proportional to 126,168.60, 174,110.43 and 68,808.36 is: 94,954.32
Step by Step Solution
- Step 1: Write the proportion equation
126,168.60 : 174,110.43 = 68,808.36 : x - Step 2: Convert to fraction form
126,168.60/174,110.43 = 68,808.36/x - Step 3: Cross multiply
126,168.60x = 174,110.43 × 68,808.36 - Step 4: Simplify right side
126,168.60x = 11,980,253,147.19 - Step 5: Solve for x
x = 11,980,253,147.19/126,168.60 - Step 6: Final answer
x = 94,954.32
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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.