Finding the Fourth Proportional to 120,565.29, 180,811.00 and 83,364.42
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Solution
The fourth proportional to 120,565.29, 180,811.00 and 83,364.42 is: 125,021.09
Step by Step Solution
- Step 1: Write the proportion equation
120,565.29 : 180,811.00 = 83,364.42 : x - Step 2: Convert to fraction form
120,565.29/180,811.00 = 83,364.42/x - Step 3: Cross multiply
120,565.29x = 180,811.00 × 83,364.42 - Step 4: Simplify right side
120,565.29x = 15,073,204,926.87 - Step 5: Solve for x
x = 15,073,204,926.87/120,565.29 - Step 6: Final answer
x = 125,021.09
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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.