Finding the Fourth Proportional to 147,161.09, 203,057.87 and 86,723.53
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Solution
The fourth proportional to 147,161.09, 203,057.87 and 86,723.53 is: 119,664.07
Step by Step Solution
- Step 1: Write the proportion equation
147,161.09 : 203,057.87 = 86,723.53 : x - Step 2: Convert to fraction form
147,161.09/203,057.87 = 86,723.53/x - Step 3: Cross multiply
147,161.09x = 203,057.87 × 86,723.53 - Step 4: Simplify right side
147,161.09x = 17,609,894,827.24 - Step 5: Solve for x
x = 17,609,894,827.24/147,161.09 - Step 6: Final answer
x = 119,664.07
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.