Finding the Fourth Proportional to 176,173.54, 243,119.65 and 100,723.62
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Solution
The fourth proportional to 176,173.54, 243,119.65 and 100,723.62 is: 138,998.69
Step by Step Solution
- Step 1: Write the proportion equation
176,173.54 : 243,119.65 = 100,723.62 : x - Step 2: Convert to fraction form
176,173.54/243,119.65 = 100,723.62/x - Step 3: Cross multiply
176,173.54x = 243,119.65 × 100,723.62 - Step 4: Simplify right side
176,173.54x = 24,487,891,241.13 - Step 5: Solve for x
x = 24,487,891,241.13/176,173.54 - Step 6: Final answer
x = 138,998.69
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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.