Finding the Fourth Proportional to 102,864.79, 154,048.02 and 71,186.08
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Solution
The fourth proportional to 102,864.79, 154,048.02 and 71,186.08 is: 106,606.69
Step by Step Solution
- Step 1: Write the proportion equation
102,864.79 : 154,048.02 = 71,186.08 : x - Step 2: Convert to fraction form
102,864.79/154,048.02 = 71,186.08/x - Step 3: Cross multiply
102,864.79x = 154,048.02 × 71,186.08 - Step 4: Simplify right side
102,864.79x = 10,966,074,675.56 - Step 5: Solve for x
x = 10,966,074,675.56/102,864.79 - Step 6: Final answer
x = 106,606.69
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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.