Finding the Fourth Proportional to 99,186.76, 149,461.99 and 82,040.68
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Solution
The fourth proportional to 99,186.76, 149,461.99 and 82,040.68 is: 123,625.00
Step by Step Solution
- Step 1: Write the proportion equation
99,186.76 : 149,461.99 = 82,040.68 : x - Step 2: Convert to fraction form
99,186.76/149,461.99 = 82,040.68/x - Step 3: Cross multiply
99,186.76x = 149,461.99 × 82,040.68 - Step 4: Simplify right side
99,186.76x = 12,261,963,293.75 - Step 5: Solve for x
x = 12,261,963,293.75/99,186.76 - Step 6: Final answer
x = 123,625.00
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.