Finding the Fourth Proportional to 136,414.72, 188,246.08 and 75,982.08
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Solution
The fourth proportional to 136,414.72, 188,246.08 and 75,982.08 is: 104,851.80
Step by Step Solution
- Step 1: Write the proportion equation
136,414.72 : 188,246.08 = 75,982.08 : x - Step 2: Convert to fraction form
136,414.72/188,246.08 = 75,982.08/x - Step 3: Cross multiply
136,414.72x = 188,246.08 × 75,982.08 - Step 4: Simplify right side
136,414.72x = 14,303,328,710.25 - Step 5: Solve for x
x = 14,303,328,710.25/136,414.72 - Step 6: Final answer
x = 104,851.80
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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.