Finding the Fourth Proportional to 152,161.84, 209,982.12 and 85,093.84
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Solution
The fourth proportional to 152,161.84, 209,982.12 and 85,093.84 is: 117,428.82
Step by Step Solution
- Step 1: Write the proportion equation
152,161.84 : 209,982.12 = 85,093.84 : x - Step 2: Convert to fraction form
152,161.84/209,982.12 = 85,093.84/x - Step 3: Cross multiply
152,161.84x = 209,982.12 × 85,093.84 - Step 4: Simplify right side
152,161.84x = 17,868,184,922.14 - Step 5: Solve for x
x = 17,868,184,922.14/152,161.84 - Step 6: Final answer
x = 117,428.82
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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.