Finding the Fourth Proportional to 163,113.48, 225,092.88 and 91,491.84
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Solution
The fourth proportional to 163,113.48, 225,092.88 and 91,491.84 is: 126,256.65
Step by Step Solution
- Step 1: Write the proportion equation
163,113.48 : 225,092.88 = 91,491.84 : x - Step 2: Convert to fraction form
163,113.48/225,092.88 = 91,491.84/x - Step 3: Cross multiply
163,113.48x = 225,092.88 × 91,491.84 - Step 4: Simplify right side
163,113.48x = 20,594,161,762.10 - Step 5: Solve for x
x = 20,594,161,762.10/163,113.48 - Step 6: Final answer
x = 126,256.65
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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.