Finding the Fourth Proportional to 136,898.87, 205,348.18 and 51,525.68
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Solution
The fourth proportional to 136,898.87, 205,348.18 and 51,525.68 is: 77,288.47
Step by Step Solution
- Step 1: Write the proportion equation
136,898.87 : 205,348.18 = 51,525.68 : x - Step 2: Convert to fraction form
136,898.87/205,348.18 = 51,525.68/x - Step 3: Cross multiply
136,898.87x = 205,348.18 × 51,525.68 - Step 4: Simplify right side
136,898.87x = 10,580,703,713.34 - Step 5: Solve for x
x = 10,580,703,713.34/136,898.87 - Step 6: Final answer
x = 77,288.47
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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.