Finding the Fourth Proportional to 136,415.70, 205,060.95 and 97,244.10
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Solution
The fourth proportional to 136,415.70, 205,060.95 and 97,244.10 is: 146,177.95
Step by Step Solution
- Step 1: Write the proportion equation
136,415.70 : 205,060.95 = 97,244.10 : x - Step 2: Convert to fraction form
136,415.70/205,060.95 = 97,244.10/x - Step 3: Cross multiply
136,415.70x = 205,060.95 × 97,244.10 - Step 4: Simplify right side
136,415.70x = 19,940,967,527.90 - Step 5: Solve for x
x = 19,940,967,527.90/136,415.70 - Step 6: Final answer
x = 146,177.95
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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.