Finding the Fourth Proportional to 134,082.20, 201,123.30 and 119,307.80
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Solution
The fourth proportional to 134,082.20, 201,123.30 and 119,307.80 is: 178,961.70
Step by Step Solution
- Step 1: Write the proportion equation
134,082.20 : 201,123.30 = 119,307.80 : x - Step 2: Convert to fraction form
134,082.20/201,123.30 = 119,307.80/x - Step 3: Cross multiply
134,082.20x = 201,123.30 × 119,307.80 - Step 4: Simplify right side
134,082.20x = 23,995,578,451.74 - Step 5: Solve for x
x = 23,995,578,451.74/134,082.20 - Step 6: Final answer
x = 178,961.70
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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.