Finding the Fourth Proportional to 149,133.84, 205,935.96 and 101,500.98
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Solution
The fourth proportional to 149,133.84, 205,935.96 and 101,500.98 is: 140,160.69
Step by Step Solution
- Step 1: Write the proportion equation
149,133.84 : 205,935.96 = 101,500.98 : x - Step 2: Convert to fraction form
149,133.84/205,935.96 = 101,500.98/x - Step 3: Cross multiply
149,133.84x = 205,935.96 × 101,500.98 - Step 4: Simplify right side
149,133.84x = 20,902,701,757.24 - Step 5: Solve for x
x = 20,902,701,757.24/149,133.84 - Step 6: Final answer
x = 140,160.69
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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.