Finding the Fourth Proportional to 119,136.24, 178,616.88 and 56,850.48
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Solution
The fourth proportional to 119,136.24, 178,616.88 and 56,850.48 is: 85,233.98
Step by Step Solution
- Step 1: Write the proportion equation
119,136.24 : 178,616.88 = 56,850.48 : x - Step 2: Convert to fraction form
119,136.24/178,616.88 = 56,850.48/x - Step 3: Cross multiply
119,136.24x = 178,616.88 × 56,850.48 - Step 4: Simplify right side
119,136.24x = 10,154,455,364.10 - Step 5: Solve for x
x = 10,154,455,364.10/119,136.24 - Step 6: Final answer
x = 85,233.98
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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.