Finding the Fourth Proportional to 126,516.49, 189,621.29 and 92,925.08
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Solution
The fourth proportional to 126,516.49, 189,621.29 and 92,925.08 is: 139,274.92
Step by Step Solution
- Step 1: Write the proportion equation
126,516.49 : 189,621.29 = 92,925.08 : x - Step 2: Convert to fraction form
126,516.49/189,621.29 = 92,925.08/x - Step 3: Cross multiply
126,516.49x = 189,621.29 × 92,925.08 - Step 4: Simplify right side
126,516.49x = 17,620,573,542.95 - Step 5: Solve for x
x = 17,620,573,542.95/126,516.49 - Step 6: Final answer
x = 139,274.92
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.