Finding the Fourth Proportional to 141,850.07, 195,732.01 and 81,422.99
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Solution
The fourth proportional to 141,850.07, 195,732.01 and 81,422.99 is: 112,351.62
Step by Step Solution
- Step 1: Write the proportion equation
141,850.07 : 195,732.01 = 81,422.99 : x - Step 2: Convert to fraction form
141,850.07/195,732.01 = 81,422.99/x - Step 3: Cross multiply
141,850.07x = 195,732.01 × 81,422.99 - Step 4: Simplify right side
141,850.07x = 15,937,085,492.91 - Step 5: Solve for x
x = 15,937,085,492.91/141,850.07 - Step 6: Final answer
x = 112,351.62
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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.