Finding the Fourth Proportional to 119,377.42, 164,764.24 and 68,424.31
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Solution
The fourth proportional to 119,377.42, 164,764.24 and 68,424.31 is: 94,438.95
Step by Step Solution
- Step 1: Write the proportion equation
119,377.42 : 164,764.24 = 68,424.31 : x - Step 2: Convert to fraction form
119,377.42/164,764.24 = 68,424.31/x - Step 3: Cross multiply
119,377.42x = 164,764.24 × 68,424.31 - Step 4: Simplify right side
119,377.42x = 11,273,878,610.85 - Step 5: Solve for x
x = 11,273,878,610.85/119,377.42 - Step 6: Final answer
x = 94,438.95
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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.