Finding the Fourth Proportional to 168,640.08, 232,715.84 and 93,186.96
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Solution
The fourth proportional to 168,640.08, 232,715.84 and 93,186.96 is: 128,593.88
Step by Step Solution
- Step 1: Write the proportion equation
168,640.08 : 232,715.84 = 93,186.96 : x - Step 2: Convert to fraction form
168,640.08/232,715.84 = 93,186.96/x - Step 3: Cross multiply
168,640.08x = 232,715.84 × 93,186.96 - Step 4: Simplify right side
168,640.08x = 21,686,081,673.45 - Step 5: Solve for x
x = 21,686,081,673.45/168,640.08 - Step 6: Final answer
x = 128,593.88
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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.