Finding the Fourth Proportional to 164,169.90, 226,589.68 and 103,702.08
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Solution
The fourth proportional to 164,169.90, 226,589.68 and 103,702.08 is: 143,131.12
Step by Step Solution
- Step 1: Write the proportion equation
164,169.90 : 226,589.68 = 103,702.08 : x - Step 2: Convert to fraction form
164,169.90/226,589.68 = 103,702.08/x - Step 3: Cross multiply
164,169.90x = 226,589.68 × 103,702.08 - Step 4: Simplify right side
164,169.90x = 23,497,821,122.53 - Step 5: Solve for x
x = 23,497,821,122.53/164,169.90 - Step 6: Final answer
x = 143,131.12
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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.