Finding the Fourth Proportional to 121,741.36, 182,423.63 and 84,374.41
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Solution
The fourth proportional to 121,741.36, 182,423.63 and 84,374.41 is: 126,431.04
Step by Step Solution
- Step 1: Write the proportion equation
121,741.36 : 182,423.63 = 84,374.41 : x - Step 2: Convert to fraction form
121,741.36/182,423.63 = 84,374.41/x - Step 3: Cross multiply
121,741.36x = 182,423.63 × 84,374.41 - Step 4: Simplify right side
121,741.36x = 15,391,886,151.31 - Step 5: Solve for x
x = 15,391,886,151.31/121,741.36 - Step 6: Final answer
x = 126,431.04
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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.