Finding the Fourth Proportional to 134,877.69, 202,440.78 and 68,364.99
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Solution
The fourth proportional to 134,877.69, 202,440.78 and 68,364.99 is: 102,610.46
Step by Step Solution
- Step 1: Write the proportion equation
134,877.69 : 202,440.78 = 68,364.99 : x - Step 2: Convert to fraction form
134,877.69/202,440.78 = 68,364.99/x - Step 3: Cross multiply
134,877.69x = 202,440.78 × 68,364.99 - Step 4: Simplify right side
134,877.69x = 13,839,861,900.29 - Step 5: Solve for x
x = 13,839,861,900.29/134,877.69 - Step 6: Final answer
x = 102,610.46
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.