Finding the Fourth Proportional to 135,510.84, 203,391.18 and 68,998.92
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Solution
The fourth proportional to 135,510.84, 203,391.18 and 68,998.92 is: 103,561.99
Step by Step Solution
- Step 1: Write the proportion equation
135,510.84 : 203,391.18 = 68,998.92 : x - Step 2: Convert to fraction form
135,510.84/203,391.18 = 68,998.92/x - Step 3: Cross multiply
135,510.84x = 203,391.18 × 68,998.92 - Step 4: Simplify right side
135,510.84x = 14,033,771,757.53 - Step 5: Solve for x
x = 14,033,771,757.53/135,510.84 - Step 6: Final answer
x = 103,561.99
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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.