Finding the Fourth Proportional to 163,597.35, 225,753.15 and 91,988.49
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Solution
The fourth proportional to 163,597.35, 225,753.15 and 91,988.49 is: 126,937.82
Step by Step Solution
- Step 1: Write the proportion equation
163,597.35 : 225,753.15 = 91,988.49 : x - Step 2: Convert to fraction form
163,597.35/225,753.15 = 91,988.49/x - Step 3: Cross multiply
163,597.35x = 225,753.15 × 91,988.49 - Step 4: Simplify right side
163,597.35x = 20,766,691,381.24 - Step 5: Solve for x
x = 20,766,691,381.24/163,597.35 - Step 6: Final answer
x = 126,937.82
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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.