Finding the Fourth Proportional to 168,185.12, 232,097.28 and 91,703.59
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Solution
The fourth proportional to 168,185.12, 232,097.28 and 91,703.59 is: 126,551.94
Step by Step Solution
- Step 1: Write the proportion equation
168,185.12 : 232,097.28 = 91,703.59 : x - Step 2: Convert to fraction form
168,185.12/232,097.28 = 91,703.59/x - Step 3: Cross multiply
168,185.12x = 232,097.28 × 91,703.59 - Step 4: Simplify right side
168,185.12x = 21,284,153,805.24 - Step 5: Solve for x
x = 21,284,153,805.24/168,185.12 - Step 6: Final answer
x = 126,551.94
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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.