Finding the Fourth Proportional to 203,701.84, 281,160.22 and 139,197.19
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Solution
The fourth proportional to 203,701.84, 281,160.22 and 139,197.19 is: 192,127.43
Step by Step Solution
- Step 1: Write the proportion equation
203,701.84 : 281,160.22 = 139,197.19 : x - Step 2: Convert to fraction form
203,701.84/281,160.22 = 139,197.19/x - Step 3: Cross multiply
203,701.84x = 281,160.22 × 139,197.19 - Step 4: Simplify right side
203,701.84x = 39,136,712,303.00 - Step 5: Solve for x
x = 39,136,712,303.00/203,701.84 - Step 6: Final answer
x = 192,127.43
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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.