Finding the Fourth Proportional to 135,068.70, 202,311.45 and 111,740.70
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Solution
The fourth proportional to 135,068.70, 202,311.45 and 111,740.70 is: 167,369.81
Step by Step Solution
- Step 1: Write the proportion equation
135,068.70 : 202,311.45 = 111,740.70 : x - Step 2: Convert to fraction form
135,068.70/202,311.45 = 111,740.70/x - Step 3: Cross multiply
135,068.70x = 202,311.45 × 111,740.70 - Step 4: Simplify right side
135,068.70x = 22,606,423,041.02 - Step 5: Solve for x
x = 22,606,423,041.02/135,068.70 - Step 6: Final answer
x = 167,369.81
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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.