Finding the Fourth Proportional to 132,528.06, 198,855.95 and 65,974.05
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Solution
The fourth proportional to 132,528.06, 198,855.95 and 65,974.05 is: 98,992.86
Step by Step Solution
- Step 1: Write the proportion equation
132,528.06 : 198,855.95 = 65,974.05 : x - Step 2: Convert to fraction form
132,528.06/198,855.95 = 65,974.05/x - Step 3: Cross multiply
132,528.06x = 198,855.95 × 65,974.05 - Step 4: Simplify right side
132,528.06x = 13,119,332,058.23 - Step 5: Solve for x
x = 13,119,332,058.23/132,528.06 - Step 6: Final answer
x = 98,992.86
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1.5x scale
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.