Finding the Fourth Proportional to 163,239.92, 225,213.20 and 106,684.08
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Solution
The fourth proportional to 163,239.92, 225,213.20 and 106,684.08 is: 147,186.20
Step by Step Solution
- Step 1: Write the proportion equation
163,239.92 : 225,213.20 = 106,684.08 : x - Step 2: Convert to fraction form
163,239.92/225,213.20 = 106,684.08/x - Step 3: Cross multiply
163,239.92x = 225,213.20 × 106,684.08 - Step 4: Simplify right side
163,239.92x = 24,026,663,045.86 - Step 5: Solve for x
x = 24,026,663,045.86/163,239.92 - Step 6: Final answer
x = 147,186.20
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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.