Finding the Fourth Proportional to 117,941.80, 176,912.70 and 94,613.80
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Solution
The fourth proportional to 117,941.80, 176,912.70 and 94,613.80 is: 141,920.70
Step by Step Solution
- Step 1: Write the proportion equation
117,941.80 : 176,912.70 = 94,613.80 : x - Step 2: Convert to fraction form
117,941.80/176,912.70 = 94,613.80/x - Step 3: Cross multiply
117,941.80x = 176,912.70 × 94,613.80 - Step 4: Simplify right side
117,941.80x = 16,738,382,815.26 - Step 5: Solve for x
x = 16,738,382,815.26/117,941.80 - Step 6: Final answer
x = 141,920.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.