Finding the Fourth Proportional to 192,831.20, 266,075.36 and 121,160.44
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Solution
The fourth proportional to 192,831.20, 266,075.36 and 121,160.44 is: 167,181.49
Step by Step Solution
- Step 1: Write the proportion equation
192,831.20 : 266,075.36 = 121,160.44 : x - Step 2: Convert to fraction form
192,831.20/266,075.36 = 121,160.44/x - Step 3: Cross multiply
192,831.20x = 266,075.36 × 121,160.44 - Step 4: Simplify right side
192,831.20x = 32,237,807,690.76 - Step 5: Solve for x
x = 32,237,807,690.76/192,831.20 - Step 6: Final answer
x = 167,181.49
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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.