Finding the Fourth Proportional to 133,716.50, 184,139.90 and 125,168.84
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Solution
The fourth proportional to 133,716.50, 184,139.90 and 125,168.84 is: 172,368.99
Step by Step Solution
- Step 1: Write the proportion equation
133,716.50 : 184,139.90 = 125,168.84 : x - Step 2: Convert to fraction form
133,716.50/184,139.90 = 125,168.84/x - Step 3: Cross multiply
133,716.50x = 184,139.90 × 125,168.84 - Step 4: Simplify right side
133,716.50x = 23,048,577,680.72 - Step 5: Solve for x
x = 23,048,577,680.72/133,716.50 - Step 6: Final answer
x = 172,368.99
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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.