Finding the Fourth Proportional to 135,472.68, 187,043.58 and 84,562.92
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Solution
The fourth proportional to 135,472.68, 187,043.58 and 84,562.92 is: 116,753.81
Step by Step Solution
- Step 1: Write the proportion equation
135,472.68 : 187,043.58 = 84,562.92 : x - Step 2: Convert to fraction form
135,472.68/187,043.58 = 84,562.92/x - Step 3: Cross multiply
135,472.68x = 187,043.58 × 84,562.92 - Step 4: Simplify right side
135,472.68x = 15,816,951,292.05 - Step 5: Solve for x
x = 15,816,951,292.05/135,472.68 - Step 6: Final answer
x = 116,753.81
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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.