Finding the Fourth Proportional to 110,696.49, 166,157.73 and 81,026.19
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Solution
The fourth proportional to 110,696.49, 166,157.73 and 81,026.19 is: 121,621.99
Step by Step Solution
- Step 1: Write the proportion equation
110,696.49 : 166,157.73 = 81,026.19 : x - Step 2: Convert to fraction form
110,696.49/166,157.73 = 81,026.19/x - Step 3: Cross multiply
110,696.49x = 166,157.73 × 81,026.19 - Step 4: Simplify right side
110,696.49x = 13,463,127,800.95 - Step 5: Solve for x
x = 13,463,127,800.95/110,696.49 - Step 6: Final answer
x = 121,621.99
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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.