Finding the Fourth Proportional to 127,056.54, 175,336.80 and 69,694.68
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Solution
The fourth proportional to 127,056.54, 175,336.80 and 69,694.68 is: 96,177.99
Step by Step Solution
- Step 1: Write the proportion equation
127,056.54 : 175,336.80 = 69,694.68 : x - Step 2: Convert to fraction form
127,056.54/175,336.80 = 69,694.68/x - Step 3: Cross multiply
127,056.54x = 175,336.80 × 69,694.68 - Step 4: Simplify right side
127,056.54x = 12,220,042,168.22 - Step 5: Solve for x
x = 12,220,042,168.22/127,056.54 - Step 6: Final answer
x = 96,177.99
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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.