Finding the Fourth Proportional to 129,373.92, 193,995.26 and 59,193.09
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Solution
The fourth proportional to 129,373.92, 193,995.26 and 59,193.09 is: 88,759.61
Step by Step Solution
- Step 1: Write the proportion equation
129,373.92 : 193,995.26 = 59,193.09 : x - Step 2: Convert to fraction form
129,373.92/193,995.26 = 59,193.09/x - Step 3: Cross multiply
129,373.92x = 193,995.26 × 59,193.09 - Step 4: Simplify right side
129,373.92x = 11,483,179,538.24 - Step 5: Solve for x
x = 11,483,179,538.24/129,373.92 - Step 6: Final answer
x = 88,759.61
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.