Finding the Fourth Proportional to 146,713.14, 202,465.17 and 79,645.14
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Solution
The fourth proportional to 146,713.14, 202,465.17 and 79,645.14 is: 109,910.86
Step by Step Solution
- Step 1: Write the proportion equation
146,713.14 : 202,465.17 = 79,645.14 : x - Step 2: Convert to fraction form
146,713.14/202,465.17 = 79,645.14/x - Step 3: Cross multiply
146,713.14x = 202,465.17 × 79,645.14 - Step 4: Simplify right side
146,713.14x = 16,125,366,809.77 - Step 5: Solve for x
x = 16,125,366,809.77/146,713.14 - Step 6: Final answer
x = 109,910.86
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1.5x scale
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.