Finding the Fourth Proportional to 127,546.92, 176,014.80 and 70,957.08
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Solution
The fourth proportional to 127,546.92, 176,014.80 and 70,957.08 is: 97,920.80
Step by Step Solution
- Step 1: Write the proportion equation
127,546.92 : 176,014.80 = 70,957.08 : x - Step 2: Convert to fraction form
127,546.92/176,014.80 = 70,957.08/x - Step 3: Cross multiply
127,546.92x = 176,014.80 × 70,957.08 - Step 4: Simplify right side
127,546.92x = 12,489,496,244.78 - Step 5: Solve for x
x = 12,489,496,244.78/127,546.92 - Step 6: Final answer
x = 97,920.80
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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.