Finding the Fourth Proportional to 147,589.07, 203,725.50 and 87,159.96
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Solution
The fourth proportional to 147,589.07, 203,725.50 and 87,159.96 is: 120,311.80
Step by Step Solution
- Step 1: Write the proportion equation
147,589.07 : 203,725.50 = 87,159.96 : x - Step 2: Convert to fraction form
147,589.07/203,725.50 = 87,159.96/x - Step 3: Cross multiply
147,589.07x = 203,725.50 × 87,159.96 - Step 4: Simplify right side
147,589.07x = 17,756,706,430.98 - Step 5: Solve for x
x = 17,756,706,430.98/147,589.07 - Step 6: Final answer
x = 120,311.80
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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.