Finding the Fourth Proportional to 163,651.68, 225,837.16 and 92,031.68
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Solution
The fourth proportional to 163,651.68, 225,837.16 and 92,031.68 is: 127,002.50
Step by Step Solution
- Step 1: Write the proportion equation
163,651.68 : 225,837.16 = 92,031.68 : x - Step 2: Convert to fraction form
163,651.68/225,837.16 = 92,031.68/x - Step 3: Cross multiply
163,651.68x = 225,837.16 × 92,031.68 - Step 4: Simplify right side
163,651.68x = 20,784,171,651.88 - Step 5: Solve for x
x = 20,784,171,651.88/163,651.68 - Step 6: Final answer
x = 127,002.50
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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.