Finding the Fourth Proportional to 133,175.02, 183,786.99 and 76,586.38
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Solution
The fourth proportional to 133,175.02, 183,786.99 and 76,586.38 is: 105,692.35
Step by Step Solution
- Step 1: Write the proportion equation
133,175.02 : 183,786.99 = 76,586.38 : x - Step 2: Convert to fraction form
133,175.02/183,786.99 = 76,586.38/x - Step 3: Cross multiply
133,175.02x = 183,786.99 × 76,586.38 - Step 4: Simplify right side
133,175.02x = 14,075,580,255.20 - Step 5: Solve for x
x = 14,075,580,255.20/133,175.02 - Step 6: Final answer
x = 105,692.35
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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.