Finding the Fourth Proportional to 107,202.91, 160,811.07 and 36,119.64
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Solution
The fourth proportional to 107,202.91, 160,811.07 and 36,119.64 is: 54,181.72
Step by Step Solution
- Step 1: Write the proportion equation
107,202.91 : 160,811.07 = 36,119.64 : x - Step 2: Convert to fraction form
107,202.91/160,811.07 = 36,119.64/x - Step 3: Cross multiply
107,202.91x = 160,811.07 × 36,119.64 - Step 4: Simplify right side
107,202.91x = 5,808,437,956.41 - Step 5: Solve for x
x = 5,808,437,956.41/107,202.91 - Step 6: Final answer
x = 54,181.72
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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.