Finding the Fourth Proportional to 126,169.94, 174,114.68 and 68,809.38
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Solution
The fourth proportional to 126,169.94, 174,114.68 and 68,809.38 is: 94,957.03
Step by Step Solution
- Step 1: Write the proportion equation
126,169.94 : 174,114.68 = 68,809.38 : x - Step 2: Convert to fraction form
126,169.94/174,114.68 = 68,809.38/x - Step 3: Cross multiply
126,169.94x = 174,114.68 × 68,809.38 - Step 4: Simplify right side
126,169.94x = 11,980,722,835.65 - Step 5: Solve for x
x = 11,980,722,835.65/126,169.94 - Step 6: Final answer
x = 94,957.03
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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.