Finding the Fourth Proportional to 125,589.14, 187,570.80 and 113,719.19
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Solution
The fourth proportional to 125,589.14, 187,570.80 and 113,719.19 is: 169,842.70
Step by Step Solution
- Step 1: Write the proportion equation
125,589.14 : 187,570.80 = 113,719.19 : x - Step 2: Convert to fraction form
125,589.14/187,570.80 = 113,719.19/x - Step 3: Cross multiply
125,589.14x = 187,570.80 × 113,719.19 - Step 4: Simplify right side
125,589.14x = 21,330,398,875.06 - Step 5: Solve for x
x = 21,330,398,875.06/125,589.14 - Step 6: Final answer
x = 169,842.70
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.