Finding the Fourth Proportional to 149,141.07, 205,814.70 and 82,073.07
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Solution
The fourth proportional to 149,141.07, 205,814.70 and 82,073.07 is: 113,260.85
Step by Step Solution
- Step 1: Write the proportion equation
149,141.07 : 205,814.70 = 82,073.07 : x - Step 2: Convert to fraction form
149,141.07/205,814.70 = 82,073.07/x - Step 3: Cross multiply
149,141.07x = 205,814.70 × 82,073.07 - Step 4: Simplify right side
149,141.07x = 16,891,844,280.13 - Step 5: Solve for x
x = 16,891,844,280.13/149,141.07 - Step 6: Final answer
x = 113,260.85
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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.