Finding the Fourth Proportional to 119,743.26, 165,246.84 and 66,026.88
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Solution
The fourth proportional to 119,743.26, 165,246.84 and 66,026.88 is: 91,117.72
Step by Step Solution
- Step 1: Write the proportion equation
119,743.26 : 165,246.84 = 66,026.88 : x - Step 2: Convert to fraction form
119,743.26/165,246.84 = 66,026.88/x - Step 3: Cross multiply
119,743.26x = 165,246.84 × 66,026.88 - Step 4: Simplify right side
119,743.26x = 10,910,733,275.06 - Step 5: Solve for x
x = 10,910,733,275.06/119,743.26 - Step 6: Final answer
x = 91,117.72
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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.