Finding the Fourth Proportional to 133,082.94, 199,458.27 and 66,542.09
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Solution
The fourth proportional to 133,082.94, 199,458.27 and 66,542.09 is: 99,730.07
Step by Step Solution
- Step 1: Write the proportion equation
133,082.94 : 199,458.27 = 66,542.09 : x - Step 2: Convert to fraction form
133,082.94/199,458.27 = 66,542.09/x - Step 3: Cross multiply
133,082.94x = 199,458.27 × 66,542.09 - Step 4: Simplify right side
133,082.94x = 13,272,370,652.23 - Step 5: Solve for x
x = 13,272,370,652.23/133,082.94 - Step 6: Final answer
x = 99,730.07
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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.