Finding the Fourth Proportional to 119,012.44, 164,236.18 and 65,296.99
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Solution
The fourth proportional to 119,012.44, 164,236.18 and 65,296.99 is: 90,109.30
Step by Step Solution
- Step 1: Write the proportion equation
119,012.44 : 164,236.18 = 65,296.99 : x - Step 2: Convert to fraction form
119,012.44/164,236.18 = 65,296.99/x - Step 3: Cross multiply
119,012.44x = 164,236.18 × 65,296.99 - Step 4: Simplify right side
119,012.44x = 10,724,127,627.40 - Step 5: Solve for x
x = 10,724,127,627.40/119,012.44 - Step 6: Final answer
x = 90,109.30
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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.