Finding the Fourth Proportional to 136,071.10, 187,777.11 and 75,647.26
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Solution
The fourth proportional to 136,071.10, 187,777.11 and 75,647.26 is: 104,392.66
Step by Step Solution
- Step 1: Write the proportion equation
136,071.10 : 187,777.11 = 75,647.26 : x - Step 2: Convert to fraction form
136,071.10/187,777.11 = 75,647.26/x - Step 3: Cross multiply
136,071.10x = 187,777.11 × 75,647.26 - Step 4: Simplify right side
136,071.10x = 14,204,823,862.22 - Step 5: Solve for x
x = 14,204,823,862.22/136,071.10 - Step 6: Final answer
x = 104,392.66
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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.