Finding the Fourth Proportional to 104,186.11, 143,776.70 and 56,439.65
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Solution
The fourth proportional to 104,186.11, 143,776.70 and 56,439.65 is: 77,886.65
Step by Step Solution
- Step 1: Write the proportion equation
104,186.11 : 143,776.70 = 56,439.65 : x - Step 2: Convert to fraction form
104,186.11/143,776.70 = 56,439.65/x - Step 3: Cross multiply
104,186.11x = 143,776.70 × 56,439.65 - Step 4: Simplify right side
104,186.11x = 8,114,706,343.96 - Step 5: Solve for x
x = 8,114,706,343.96/104,186.11 - Step 6: Final answer
x = 77,886.65
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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.