Finding the Fourth Proportional to 103,835.84, 155,895.84 and 102,591.68
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Solution
The fourth proportional to 103,835.84, 155,895.84 and 102,591.68 is: 154,027.90
Step by Step Solution
- Step 1: Write the proportion equation
103,835.84 : 155,895.84 = 102,591.68 : x - Step 2: Convert to fraction form
103,835.84/155,895.84 = 102,591.68/x - Step 3: Cross multiply
103,835.84x = 155,895.84 × 102,591.68 - Step 4: Simplify right side
103,835.84x = 15,993,616,130.61 - Step 5: Solve for x
x = 15,993,616,130.61/103,835.84 - Step 6: Final answer
x = 154,027.90
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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.