Finding the Fourth Proportional to 168,197.06, 232,108.96 and 91,716.75
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Solution
The fourth proportional to 168,197.06, 232,108.96 and 91,716.75 is: 126,567.49
Step by Step Solution
- Step 1: Write the proportion equation
168,197.06 : 232,108.96 = 91,716.75 : x - Step 2: Convert to fraction form
168,197.06/232,108.96 = 91,716.75/x - Step 3: Cross multiply
168,197.06x = 232,108.96 × 91,716.75 - Step 4: Simplify right side
168,197.06x = 21,288,279,457.08 - Step 5: Solve for x
x = 21,288,279,457.08/168,197.06 - Step 6: Final answer
x = 126,567.49
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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.