Finding the Fourth Proportional to 126,202.51, 174,162.75 and 68,842.80
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Solution
The fourth proportional to 126,202.51, 174,162.75 and 68,842.80 is: 95,004.86
Step by Step Solution
- Step 1: Write the proportion equation
126,202.51 : 174,162.75 = 68,842.80 : x - Step 2: Convert to fraction form
126,202.51/174,162.75 = 68,842.80/x - Step 3: Cross multiply
126,202.51x = 174,162.75 × 68,842.80 - Step 4: Simplify right side
126,202.51x = 11,989,851,365.70 - Step 5: Solve for x
x = 11,989,851,365.70/126,202.51 - Step 6: Final answer
x = 95,004.86
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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.