Finding the Fourth Proportional to 121,211.49, 167,283.49 and 67,496.49
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Solution
The fourth proportional to 121,211.49, 167,283.49 and 67,496.49 is: 93,151.63
Step by Step Solution
- Step 1: Write the proportion equation
121,211.49 : 167,283.49 = 67,496.49 : x - Step 2: Convert to fraction form
121,211.49/167,283.49 = 67,496.49/x - Step 3: Cross multiply
121,211.49x = 167,283.49 × 67,496.49 - Step 4: Simplify right side
121,211.49x = 11,291,048,241.21 - Step 5: Solve for x
x = 11,291,048,241.21/121,211.49 - Step 6: Final answer
x = 93,151.63
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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.