Finding the Fourth Proportional to 126,211.88, 174,175.68 and 68,852.18
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Solution
The fourth proportional to 126,211.88, 174,175.68 and 68,852.18 is: 95,017.80
Step by Step Solution
- Step 1: Write the proportion equation
126,211.88 : 174,175.68 = 68,852.18 : x - Step 2: Convert to fraction form
126,211.88/174,175.68 = 68,852.18/x - Step 3: Cross multiply
126,211.88x = 174,175.68 × 68,852.18 - Step 4: Simplify right side
126,211.88x = 11,992,375,270.98 - Step 5: Solve for x
x = 11,992,375,270.98/126,211.88 - Step 6: Final answer
x = 95,017.80
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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.