Finding the Fourth Proportional to 119,966.69, 165,552.66 and 68,979.63
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Solution
The fourth proportional to 119,966.69, 165,552.66 and 68,979.63 is: 95,191.09
Step by Step Solution
- Step 1: Write the proportion equation
119,966.69 : 165,552.66 = 68,979.63 : x - Step 2: Convert to fraction form
119,966.69/165,552.66 = 68,979.63/x - Step 3: Cross multiply
119,966.69x = 165,552.66 × 68,979.63 - Step 4: Simplify right side
119,966.69x = 11,419,760,456.29 - Step 5: Solve for x
x = 11,419,760,456.29/119,966.69 - Step 6: Final answer
x = 95,191.09
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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.