Finding the Fourth Proportional to 114,806.09, 158,367.68 and 68,853.51
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Solution
The fourth proportional to 114,806.09, 158,367.68 and 68,853.51 is: 94,979.02
Step by Step Solution
- Step 1: Write the proportion equation
114,806.09 : 158,367.68 = 68,853.51 : x - Step 2: Convert to fraction form
114,806.09/158,367.68 = 68,853.51/x - Step 3: Cross multiply
114,806.09x = 158,367.68 × 68,853.51 - Step 4: Simplify right side
114,806.09x = 10,904,169,846.72 - Step 5: Solve for x
x = 10,904,169,846.72/114,806.09 - Step 6: Final answer
x = 94,979.02
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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.