Finding the Fourth Proportional to 136,074.18, 204,115.35 and 112,565.28
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Solution
The fourth proportional to 136,074.18, 204,115.35 and 112,565.28 is: 168,851.30
Step by Step Solution
- Step 1: Write the proportion equation
136,074.18 : 204,115.35 = 112,565.28 : x - Step 2: Convert to fraction form
136,074.18/204,115.35 = 112,565.28/x - Step 3: Cross multiply
136,074.18x = 204,115.35 × 112,565.28 - Step 4: Simplify right side
136,074.18x = 22,976,301,525.05 - Step 5: Solve for x
x = 22,976,301,525.05/136,074.18 - Step 6: Final answer
x = 168,851.30
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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.