Finding the Fourth Proportional to 119,602.14, 165,039.60 and 68,619.07
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Solution
The fourth proportional to 119,602.14, 165,039.60 and 68,619.07 is: 94,687.81
Step by Step Solution
- Step 1: Write the proportion equation
119,602.14 : 165,039.60 = 68,619.07 : x - Step 2: Convert to fraction form
119,602.14/165,039.60 = 68,619.07/x - Step 3: Cross multiply
119,602.14x = 165,039.60 × 68,619.07 - Step 4: Simplify right side
119,602.14x = 11,324,864,599.98 - Step 5: Solve for x
x = 11,324,864,599.98/119,602.14 - Step 6: Final answer
x = 94,687.81
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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.