Finding the Fourth Proportional to 119,010.72, 178,516.68 and 40,125.63
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Solution
The fourth proportional to 119,010.72, 178,516.68 and 40,125.63 is: 60,188.65
Step by Step Solution
- Step 1: Write the proportion equation
119,010.72 : 178,516.68 = 40,125.63 : x - Step 2: Convert to fraction form
119,010.72/178,516.68 = 40,125.63/x - Step 3: Cross multiply
119,010.72x = 178,516.68 × 40,125.63 - Step 4: Simplify right side
119,010.72x = 7,163,094,250.51 - Step 5: Solve for x
x = 7,163,094,250.51/119,010.72 - Step 6: Final answer
x = 60,188.65
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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.