Finding the Fourth Proportional to 131,606.24, 181,532.93 and 86,287.14
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Solution
The fourth proportional to 131,606.24, 181,532.93 and 86,287.14 is: 119,021.39
Step by Step Solution
- Step 1: Write the proportion equation
131,606.24 : 181,532.93 = 86,287.14 : x - Step 2: Convert to fraction form
131,606.24/181,532.93 = 86,287.14/x - Step 3: Cross multiply
131,606.24x = 181,532.93 × 86,287.14 - Step 4: Simplify right side
131,606.24x = 15,663,956,914.08 - Step 5: Solve for x
x = 15,663,956,914.08/131,606.24 - Step 6: Final answer
x = 119,021.39
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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.