Finding the Fourth Proportional to 99,137.00, 136,805.36 and 53,814.02
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Solution
The fourth proportional to 99,137.00, 136,805.36 and 53,814.02 is: 74,261.33
Step by Step Solution
- Step 1: Write the proportion equation
99,137.00 : 136,805.36 = 53,814.02 : x - Step 2: Convert to fraction form
99,137.00/136,805.36 = 53,814.02/x - Step 3: Cross multiply
99,137.00x = 136,805.36 × 53,814.02 - Step 4: Simplify right side
99,137.00x = 7,362,045,426.05 - Step 5: Solve for x
x = 7,362,045,426.05/99,137.00 - Step 6: Final answer
x = 74,261.33
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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.