Finding the Fourth Proportional to 137,217.81, 205,614.16 and 95,179.62
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Solution
The fourth proportional to 137,217.81, 205,614.16 and 95,179.62 is: 142,621.99
Step by Step Solution
- Step 1: Write the proportion equation
137,217.81 : 205,614.16 = 95,179.62 : x - Step 2: Convert to fraction form
137,217.81/205,614.16 = 95,179.62/x - Step 3: Cross multiply
137,217.81x = 205,614.16 × 95,179.62 - Step 4: Simplify right side
137,217.81x = 19,570,277,615.42 - Step 5: Solve for x
x = 19,570,277,615.42/137,217.81 - Step 6: Final answer
x = 142,621.99
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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.