Finding the Fourth Proportional to 167,387.68, 230,994.98 and 91,936.18
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Solution
The fourth proportional to 167,387.68, 230,994.98 and 91,936.18 is: 126,871.92
Step by Step Solution
- Step 1: Write the proportion equation
167,387.68 : 230,994.98 = 91,936.18 : x - Step 2: Convert to fraction form
167,387.68/230,994.98 = 91,936.18/x - Step 3: Cross multiply
167,387.68x = 230,994.98 × 91,936.18 - Step 4: Simplify right side
167,387.68x = 21,236,796,060.38 - Step 5: Solve for x
x = 21,236,796,060.38/167,387.68 - Step 6: Final answer
x = 126,871.92
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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.