Finding the Fourth Proportional to 116,566.30, 160,867.41 and 68,818.62
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Solution
The fourth proportional to 116,566.30, 160,867.41 and 68,818.62 is: 94,973.19
Step by Step Solution
- Step 1: Write the proportion equation
116,566.30 : 160,867.41 = 68,818.62 : x - Step 2: Convert to fraction form
116,566.30/160,867.41 = 68,818.62/x - Step 3: Cross multiply
116,566.30x = 160,867.41 × 68,818.62 - Step 4: Simplify right side
116,566.30x = 11,070,673,504.36 - Step 5: Solve for x
x = 11,070,673,504.36/116,566.30 - Step 6: Final answer
x = 94,973.19
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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.