Finding the Fourth Proportional to 99,184.73, 136,916.82 and 66,962.99
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Solution
The fourth proportional to 99,184.73, 136,916.82 and 66,962.99 is: 92,437.21
Step by Step Solution
- Step 1: Write the proportion equation
99,184.73 : 136,916.82 = 66,962.99 : x - Step 2: Convert to fraction form
99,184.73/136,916.82 = 66,962.99/x - Step 3: Cross multiply
99,184.73x = 136,916.82 × 66,962.99 - Step 4: Simplify right side
99,184.73x = 9,168,359,648.49 - Step 5: Solve for x
x = 9,168,359,648.49/99,184.73 - Step 6: Final answer
x = 92,437.21
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.