Finding the Fourth Proportional to 115,556.81, 159,323.00 and 88,366.13
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Solution
The fourth proportional to 115,556.81, 159,323.00 and 88,366.13 is: 121,834.07
Step by Step Solution
- Step 1: Write the proportion equation
115,556.81 : 159,323.00 = 88,366.13 : x - Step 2: Convert to fraction form
115,556.81/159,323.00 = 88,366.13/x - Step 3: Cross multiply
115,556.81x = 159,323.00 × 88,366.13 - Step 4: Simplify right side
115,556.81x = 14,078,755,691.54 - Step 5: Solve for x
x = 14,078,755,691.54/115,556.81 - Step 6: Final answer
x = 121,834.07
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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.