Finding the Fourth Proportional to 126,463.16, 174,518.79 and 69,874.13
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Solution
The fourth proportional to 126,463.16, 174,518.79 and 69,874.13 is: 96,426.09
Step by Step Solution
- Step 1: Write the proportion equation
126,463.16 : 174,518.79 = 69,874.13 : x - Step 2: Convert to fraction form
126,463.16/174,518.79 = 69,874.13/x - Step 3: Cross multiply
126,463.16x = 174,518.79 × 69,874.13 - Step 4: Simplify right side
126,463.16x = 12,194,347,747.31 - Step 5: Solve for x
x = 12,194,347,747.31/126,463.16 - Step 6: Final answer
x = 96,426.09
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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.