Finding the Fourth Proportional to 162,108.41, 223,708.74 and 94,142.09
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Solution
The fourth proportional to 162,108.41, 223,708.74 and 94,142.09 is: 129,915.58
Step by Step Solution
- Step 1: Write the proportion equation
162,108.41 : 223,708.74 = 94,142.09 : x - Step 2: Convert to fraction form
162,108.41/223,708.74 = 94,142.09/x - Step 3: Cross multiply
162,108.41x = 223,708.74 × 94,142.09 - Step 4: Simplify right side
162,108.41x = 21,060,407,216.32 - Step 5: Solve for x
x = 21,060,407,216.32/162,108.41 - Step 6: Final answer
x = 129,915.58
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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.