Finding the Fourth Proportional to 159,548.37, 220,176.77 and 86,951.26
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Solution
The fourth proportional to 159,548.37, 220,176.77 and 86,951.26 is: 119,992.75
Step by Step Solution
- Step 1: Write the proportion equation
159,548.37 : 220,176.77 = 86,951.26 : x - Step 2: Convert to fraction form
159,548.37/220,176.77 = 86,951.26/x - Step 3: Cross multiply
159,548.37x = 220,176.77 × 86,951.26 - Step 4: Simplify right side
159,548.37x = 19,144,647,574.23 - Step 5: Solve for x
x = 19,144,647,574.23/159,548.37 - Step 6: Final answer
x = 119,992.75
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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.