Finding the Fourth Proportional to 116,338.68, 160,564.73 and 71,042.92
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Solution
The fourth proportional to 116,338.68, 160,564.73 and 71,042.92 is: 98,049.82
Step by Step Solution
- Step 1: Write the proportion equation
116,338.68 : 160,564.73 = 71,042.92 : x - Step 2: Convert to fraction form
116,338.68/160,564.73 = 71,042.92/x - Step 3: Cross multiply
116,338.68x = 160,564.73 × 71,042.92 - Step 4: Simplify right side
116,338.68x = 11,406,986,511.59 - Step 5: Solve for x
x = 11,406,986,511.59/116,338.68 - Step 6: Final answer
x = 98,049.82
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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.