Finding the Fourth Proportional to 136,437.74, 204,695.49 and 99,035.18
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Solution
The fourth proportional to 136,437.74, 204,695.49 and 99,035.18 is: 148,580.99
Step by Step Solution
- Step 1: Write the proportion equation
136,437.74 : 204,695.49 = 99,035.18 : x - Step 2: Convert to fraction form
136,437.74/204,695.49 = 99,035.18/x - Step 3: Cross multiply
136,437.74x = 204,695.49 × 99,035.18 - Step 4: Simplify right side
136,437.74x = 20,272,054,697.34 - Step 5: Solve for x
x = 20,272,054,697.34/136,437.74 - Step 6: Final answer
x = 148,580.99
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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.