Finding the Fourth Proportional to 136,385.60, 204,619.71 and 106,503.08
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Solution
The fourth proportional to 136,385.60, 204,619.71 and 106,503.08 is: 159,786.88
Step by Step Solution
- Step 1: Write the proportion equation
136,385.60 : 204,619.71 = 106,503.08 : x - Step 2: Convert to fraction form
136,385.60/204,619.71 = 106,503.08/x - Step 3: Cross multiply
136,385.60x = 204,619.71 × 106,503.08 - Step 4: Simplify right side
136,385.60x = 21,792,629,343.71 - Step 5: Solve for x
x = 21,792,629,343.71/136,385.60 - Step 6: Final answer
x = 159,786.88
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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.