Finding the Fourth Proportional to 119,203.84, 178,849.37 and 112,161.70
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Solution
The fourth proportional to 119,203.84, 178,849.37 and 112,161.70 is: 168,283.58
Step by Step Solution
- Step 1: Write the proportion equation
119,203.84 : 178,849.37 = 112,161.70 : x - Step 2: Convert to fraction form
119,203.84/178,849.37 = 112,161.70/x - Step 3: Cross multiply
119,203.84x = 178,849.37 × 112,161.70 - Step 4: Simplify right side
119,203.84x = 20,060,049,383.13 - Step 5: Solve for x
x = 20,060,049,383.13/119,203.84 - Step 6: Final answer
x = 168,283.58
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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.