Finding the Fourth Proportional to 136,364.04, 204,403.91 and 80,158.14
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Solution
The fourth proportional to 136,364.04, 204,403.91 and 80,158.14 is: 120,153.65
Step by Step Solution
- Step 1: Write the proportion equation
136,364.04 : 204,403.91 = 80,158.14 : x - Step 2: Convert to fraction form
136,364.04/204,403.91 = 80,158.14/x - Step 3: Cross multiply
136,364.04x = 204,403.91 × 80,158.14 - Step 4: Simplify right side
136,364.04x = 16,384,636,833.54 - Step 5: Solve for x
x = 16,384,636,833.54/136,364.04 - Step 6: Final answer
x = 120,153.65
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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.