Finding the Fourth Proportional to 162,138.16, 223,753.84 and 94,160.80
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Solution
The fourth proportional to 162,138.16, 223,753.84 and 94,160.80 is: 129,943.75
Step by Step Solution
- Step 1: Write the proportion equation
162,138.16 : 223,753.84 = 94,160.80 : x - Step 2: Convert to fraction form
162,138.16/223,753.84 = 94,160.80/x - Step 3: Cross multiply
162,138.16x = 223,753.84 × 94,160.80 - Step 4: Simplify right side
162,138.16x = 21,068,840,577.47 - Step 5: Solve for x
x = 21,068,840,577.47/162,138.16 - Step 6: Final answer
x = 129,943.75
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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.