Finding the Fourth Proportional to 116,434.08, 160,669.44 and 68,689.44
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Solution
The fourth proportional to 116,434.08, 160,669.44 and 68,689.44 is: 94,785.77
Step by Step Solution
- Step 1: Write the proportion equation
116,434.08 : 160,669.44 = 68,689.44 : x - Step 2: Convert to fraction form
116,434.08/160,669.44 = 68,689.44/x - Step 3: Cross multiply
116,434.08x = 160,669.44 × 68,689.44 - Step 4: Simplify right side
116,434.08x = 11,036,293,858.71 - Step 5: Solve for x
x = 11,036,293,858.71/116,434.08 - Step 6: Final answer
x = 94,785.77
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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.