Finding the Fourth Proportional to 119,130.42, 164,380.49 and 68,134.94
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Solution
The fourth proportional to 119,130.42, 164,380.49 and 68,134.94 is: 94,015.07
Step by Step Solution
- Step 1: Write the proportion equation
119,130.42 : 164,380.49 = 68,134.94 : x - Step 2: Convert to fraction form
119,130.42/164,380.49 = 68,134.94/x - Step 3: Cross multiply
119,130.42x = 164,380.49 × 68,134.94 - Step 4: Simplify right side
119,130.42x = 11,200,054,823.32 - Step 5: Solve for x
x = 11,200,054,823.32/119,130.42 - Step 6: Final answer
x = 94,015.07
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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.