Finding the Fourth Proportional to 117,766.97, 162,548.19 and 66,810.08
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Solution
The fourth proportional to 117,766.97, 162,548.19 and 66,810.08 is: 92,214.80
Step by Step Solution
- Step 1: Write the proportion equation
117,766.97 : 162,548.19 = 66,810.08 : x - Step 2: Convert to fraction form
117,766.97/162,548.19 = 66,810.08/x - Step 3: Cross multiply
117,766.97x = 162,548.19 × 66,810.08 - Step 4: Simplify right side
117,766.97x = 10,859,856,765.01 - Step 5: Solve for x
x = 10,859,856,765.01/117,766.97 - Step 6: Final answer
x = 92,214.80
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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.