Finding the Fourth Proportional to 116,564.98, 160,853.80 and 68,809.09
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Solution
The fourth proportional to 116,564.98, 160,853.80 and 68,809.09 is: 94,953.08
Step by Step Solution
- Step 1: Write the proportion equation
116,564.98 : 160,853.80 = 68,809.09 : x - Step 2: Convert to fraction form
116,564.98/160,853.80 = 68,809.09/x - Step 3: Cross multiply
116,564.98x = 160,853.80 × 68,809.09 - Step 4: Simplify right side
116,564.98x = 11,068,203,601.04 - Step 5: Solve for x
x = 11,068,203,601.04/116,564.98 - Step 6: Final answer
x = 94,953.08
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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.