Finding the Fourth Proportional to 187,832.23, 259,207.01 and 102,949.09
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Solution
The fourth proportional to 187,832.23, 259,207.01 and 102,949.09 is: 142,068.94
Step by Step Solution
- Step 1: Write the proportion equation
187,832.23 : 259,207.01 = 102,949.09 : x - Step 2: Convert to fraction form
187,832.23/259,207.01 = 102,949.09/x - Step 3: Cross multiply
187,832.23x = 259,207.01 × 102,949.09 - Step 4: Simplify right side
187,832.23x = 26,685,125,801.12 - Step 5: Solve for x
x = 26,685,125,801.12/187,832.23 - Step 6: Final answer
x = 142,068.94
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1.5x scale
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.