Finding the Fourth Proportional to 131,287.24, 181,199.08 and 76,088.87
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Solution
The fourth proportional to 131,287.24, 181,199.08 and 76,088.87 is: 105,015.79
Step by Step Solution
- Step 1: Write the proportion equation
131,287.24 : 181,199.08 = 76,088.87 : x - Step 2: Convert to fraction form
131,287.24/181,199.08 = 76,088.87/x - Step 3: Cross multiply
131,287.24x = 181,199.08 × 76,088.87 - Step 4: Simplify right side
131,287.24x = 13,787,233,242.24 - Step 5: Solve for x
x = 13,787,233,242.24/131,287.24 - Step 6: Final answer
x = 105,015.79
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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.