Finding the Fourth Proportional to 141,176.08, 194,823.12 and 76,645.26
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Solution
The fourth proportional to 141,176.08, 194,823.12 and 76,645.26 is: 105,770.53
Step by Step Solution
- Step 1: Write the proportion equation
141,176.08 : 194,823.12 = 76,645.26 : x - Step 2: Convert to fraction form
141,176.08/194,823.12 = 76,645.26/x - Step 3: Cross multiply
141,176.08x = 194,823.12 × 76,645.26 - Step 4: Simplify right side
141,176.08x = 14,932,268,686.41 - Step 5: Solve for x
x = 14,932,268,686.41/141,176.08 - Step 6: Final answer
x = 105,770.53
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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.