Finding the Fourth Proportional to 119,239.10, 164,514.08 and 71,475.02
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Solution
The fourth proportional to 119,239.10, 164,514.08 and 71,475.02 is: 98,614.02
Step by Step Solution
- Step 1: Write the proportion equation
119,239.10 : 164,514.08 = 71,475.02 : x - Step 2: Convert to fraction form
119,239.10/164,514.08 = 71,475.02/x - Step 3: Cross multiply
119,239.10x = 164,514.08 × 71,475.02 - Step 4: Simplify right side
119,239.10x = 11,758,646,800.91 - Step 5: Solve for x
x = 11,758,646,800.91/119,239.10 - Step 6: Final answer
x = 98,614.02
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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.