Finding the Fourth Proportional to 134,193.96, 185,205.12 and 86,585.80
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Solution
The fourth proportional to 134,193.96, 185,205.12 and 86,585.80 is: 119,499.67
Step by Step Solution
- Step 1: Write the proportion equation
134,193.96 : 185,205.12 = 86,585.80 : x - Step 2: Convert to fraction form
134,193.96/185,205.12 = 86,585.80/x - Step 3: Cross multiply
134,193.96x = 185,205.12 × 86,585.80 - Step 4: Simplify right side
134,193.96x = 16,036,133,479.30 - Step 5: Solve for x
x = 16,036,133,479.30/134,193.96 - Step 6: Final answer
x = 119,499.67
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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.