Finding the Fourth Proportional to 136,534.07, 188,497.83 and 121,384.88
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Solution
The fourth proportional to 136,534.07, 188,497.83 and 121,384.88 is: 167,582.99
Step by Step Solution
- Step 1: Write the proportion equation
136,534.07 : 188,497.83 = 121,384.88 : x - Step 2: Convert to fraction form
136,534.07/188,497.83 = 121,384.88/x - Step 3: Cross multiply
136,534.07x = 188,497.83 × 121,384.88 - Step 4: Simplify right side
136,534.07x = 22,880,786,474.81 - Step 5: Solve for x
x = 22,880,786,474.81/136,534.07 - Step 6: Final answer
x = 167,582.99
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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.