Finding the Fourth Proportional to 187,706.26, 259,035.06 and 102,823.66
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Solution
The fourth proportional to 187,706.26, 259,035.06 and 102,823.66 is: 141,896.88
Step by Step Solution
- Step 1: Write the proportion equation
187,706.26 : 259,035.06 = 102,823.66 : x - Step 2: Convert to fraction form
187,706.26/259,035.06 = 102,823.66/x - Step 3: Cross multiply
187,706.26x = 259,035.06 × 102,823.66 - Step 4: Simplify right side
187,706.26x = 26,634,932,937.52 - Step 5: Solve for x
x = 26,634,932,937.52/187,706.26 - Step 6: Final answer
x = 141,896.88
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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.