Finding the Fourth Proportional to 115,656.09, 159,695.87 and 88,755.99
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Solution
The fourth proportional to 115,656.09, 159,695.87 and 88,755.99 is: 122,552.69
Step by Step Solution
- Step 1: Write the proportion equation
115,656.09 : 159,695.87 = 88,755.99 : x - Step 2: Convert to fraction form
115,656.09/159,695.87 = 88,755.99/x - Step 3: Cross multiply
115,656.09x = 159,695.87 × 88,755.99 - Step 4: Simplify right side
115,656.09x = 14,173,964,596.98 - Step 5: Solve for x
x = 14,173,964,596.98/115,656.09 - Step 6: Final answer
x = 122,552.69
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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.