Finding the Fourth Proportional to 171,860.34, 237,114.12 and 100,189.62
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Solution
The fourth proportional to 171,860.34, 237,114.12 and 100,189.62 is: 138,230.69
Step by Step Solution
- Step 1: Write the proportion equation
171,860.34 : 237,114.12 = 100,189.62 : x - Step 2: Convert to fraction form
171,860.34/237,114.12 = 100,189.62/x - Step 3: Cross multiply
171,860.34x = 237,114.12 × 100,189.62 - Step 4: Simplify right side
171,860.34x = 23,756,373,579.43 - Step 5: Solve for x
x = 23,756,373,579.43/171,860.34 - Step 6: Final answer
x = 138,230.69
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1.5x scale
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.