Finding the Fourth Proportional to 114,810.06, 158,491.68 and 76,634.08
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Solution
The fourth proportional to 114,810.06, 158,491.68 and 76,634.08 is: 105,790.94
Step by Step Solution
- Step 1: Write the proportion equation
114,810.06 : 158,491.68 = 76,634.08 : x - Step 2: Convert to fraction form
114,810.06/158,491.68 = 76,634.08/x - Step 3: Cross multiply
114,810.06x = 158,491.68 × 76,634.08 - Step 4: Simplify right side
114,810.06x = 12,145,864,084.45 - Step 5: Solve for x
x = 12,145,864,084.45/114,810.06 - Step 6: Final answer
x = 105,790.94
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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.