Finding the Fourth Proportional to 132,101.92, 197,814.52 and 72,871.76
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Solution
The fourth proportional to 132,101.92, 197,814.52 and 72,871.76 is: 109,120.99
Step by Step Solution
- Step 1: Write the proportion equation
132,101.92 : 197,814.52 = 72,871.76 : x - Step 2: Convert to fraction form
132,101.92/197,814.52 = 72,871.76/x - Step 3: Cross multiply
132,101.92x = 197,814.52 × 72,871.76 - Step 4: Simplify right side
132,101.92x = 14,415,092,225.96 - Step 5: Solve for x
x = 14,415,092,225.96/132,101.92 - Step 6: Final answer
x = 109,120.99
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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.