Finding the Fourth Proportional to 116,880.28, 161,304.60 and 67,838.68
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Solution
The fourth proportional to 116,880.28, 161,304.60 and 67,838.68 is: 93,623.07
Step by Step Solution
- Step 1: Write the proportion equation
116,880.28 : 161,304.60 = 67,838.68 : x - Step 2: Convert to fraction form
116,880.28/161,304.60 = 67,838.68/x - Step 3: Cross multiply
116,880.28x = 161,304.60 × 67,838.68 - Step 4: Simplify right side
116,880.28x = 10,942,691,141.93 - Step 5: Solve for x
x = 10,942,691,141.93/116,880.28 - Step 6: Final answer
x = 93,623.07
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1.5x scale
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.