Finding the Fourth Proportional to 131,894.40, 182,013.99 and 71,466.68
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Solution
The fourth proportional to 131,894.40, 182,013.99 and 71,466.68 is: 98,623.86
Step by Step Solution
- Step 1: Write the proportion equation
131,894.40 : 182,013.99 = 71,466.68 : x - Step 2: Convert to fraction form
131,894.40/182,013.99 = 71,466.68/x - Step 3: Cross multiply
131,894.40x = 182,013.99 × 71,466.68 - Step 4: Simplify right side
131,894.40x = 13,007,935,253.97 - Step 5: Solve for x
x = 13,007,935,253.97/131,894.40 - Step 6: Final answer
x = 98,623.86
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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.