Finding the Fourth Proportional to 116,540.71, 160,838.63 and 68,157.44
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Solution
The fourth proportional to 116,540.71, 160,838.63 and 68,157.44 is: 94,064.55
Step by Step Solution
- Step 1: Write the proportion equation
116,540.71 : 160,838.63 = 68,157.44 : x - Step 2: Convert to fraction form
116,540.71/160,838.63 = 68,157.44/x - Step 3: Cross multiply
116,540.71x = 160,838.63 × 68,157.44 - Step 4: Simplify right side
116,540.71x = 10,962,349,273.91 - Step 5: Solve for x
x = 10,962,349,273.91/116,540.71 - Step 6: Final answer
x = 94,064.55
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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.