Finding the Fourth Proportional to 119,434.05, 164,779.74 and 68,452.65
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Solution
The fourth proportional to 119,434.05, 164,779.74 and 68,452.65 is: 94,442.16
Step by Step Solution
- Step 1: Write the proportion equation
119,434.05 : 164,779.74 = 68,452.65 : x - Step 2: Convert to fraction form
119,434.05/164,779.74 = 68,452.65/x - Step 3: Cross multiply
119,434.05x = 164,779.74 × 68,452.65 - Step 4: Simplify right side
119,434.05x = 11,279,609,869.31 - Step 5: Solve for x
x = 11,279,609,869.31/119,434.05 - Step 6: Final answer
x = 94,442.16
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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.