Finding the Fourth Proportional to 132,036.75, 182,210.99 and 75,447.99
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Solution
The fourth proportional to 132,036.75, 182,210.99 and 75,447.99 is: 104,118.38
Step by Step Solution
- Step 1: Write the proportion equation
132,036.75 : 182,210.99 = 75,447.99 : x - Step 2: Convert to fraction form
132,036.75/182,210.99 = 75,447.99/x - Step 3: Cross multiply
132,036.75x = 182,210.99 × 75,447.99 - Step 4: Simplify right side
132,036.75x = 13,747,452,574.17 - Step 5: Solve for x
x = 13,747,452,574.17/132,036.75 - Step 6: Final answer
x = 104,118.38
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1.5x scale
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.