Finding the Fourth Proportional to 121,423.62, 182,157.35 and 54,895.08
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Solution
The fourth proportional to 121,423.62, 182,157.35 and 54,895.08 is: 82,352.53
Step by Step Solution
- Step 1: Write the proportion equation
121,423.62 : 182,157.35 = 54,895.08 : x - Step 2: Convert to fraction form
121,423.62/182,157.35 = 54,895.08/x - Step 3: Cross multiply
121,423.62x = 182,157.35 × 54,895.08 - Step 4: Simplify right side
121,423.62x = 9,999,542,300.84 - Step 5: Solve for x
x = 9,999,542,300.84/121,423.62 - Step 6: Final answer
x = 82,352.53
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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.