Finding the Fourth Proportional to 136,107.60, 204,202.84 and 69,594.45
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Solution
The fourth proportional to 136,107.60, 204,202.84 and 69,594.45 is: 104,412.86
Step by Step Solution
- Step 1: Write the proportion equation
136,107.60 : 204,202.84 = 69,594.45 : x - Step 2: Convert to fraction form
136,107.60/204,202.84 = 69,594.45/x - Step 3: Cross multiply
136,107.60x = 204,202.84 × 69,594.45 - Step 4: Simplify right side
136,107.60x = 14,211,384,338.24 - Step 5: Solve for x
x = 14,211,384,338.24/136,107.60 - Step 6: Final answer
x = 104,412.86
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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.