Finding the Fourth Proportional to 166,026.29, 249,159.11 and 66,128.69
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Solution
The fourth proportional to 166,026.29, 249,159.11 and 66,128.69 is: 99,240.70
Step by Step Solution
- Step 1: Write the proportion equation
166,026.29 : 249,159.11 = 66,128.69 : x - Step 2: Convert to fraction form
166,026.29/249,159.11 = 66,128.69/x - Step 3: Cross multiply
166,026.29x = 249,159.11 × 66,128.69 - Step 4: Simplify right side
166,026.29x = 16,476,563,969.43 - Step 5: Solve for x
x = 16,476,563,969.43/166,026.29 - Step 6: Final answer
x = 99,240.70
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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.