Finding the Fourth Proportional to 119,202.84, 178,847.87 and 112,160.70
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Solution
The fourth proportional to 119,202.84, 178,847.87 and 112,160.70 is: 168,282.08
Step by Step Solution
- Step 1: Write the proportion equation
119,202.84 : 178,847.87 = 112,160.70 : x - Step 2: Convert to fraction form
119,202.84/178,847.87 = 112,160.70/x - Step 3: Cross multiply
119,202.84x = 178,847.87 × 112,160.70 - Step 4: Simplify right side
119,202.84x = 20,059,701,731.91 - Step 5: Solve for x
x = 20,059,701,731.91/119,202.84 - Step 6: Final answer
x = 168,282.08
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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.