Finding the Fourth Proportional to 121,609.81, 182,259.19 and 51,392.53
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Solution
The fourth proportional to 121,609.81, 182,259.19 and 51,392.53 is: 77,023.07
Step by Step Solution
- Step 1: Write the proportion equation
121,609.81 : 182,259.19 = 51,392.53 : x - Step 2: Convert to fraction form
121,609.81/182,259.19 = 51,392.53/x - Step 3: Cross multiply
121,609.81x = 182,259.19 × 51,392.53 - Step 4: Simplify right side
121,609.81x = 9,366,760,889.85 - Step 5: Solve for x
x = 9,366,760,889.85/121,609.81 - Step 6: Final answer
x = 77,023.07
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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.