Finding the Fourth Proportional to 99,191.61, 148,758.26 and 54,810.09
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Solution
The fourth proportional to 99,191.61, 148,758.26 and 54,810.09 is: 82,199.02
Step by Step Solution
- Step 1: Write the proportion equation
99,191.61 : 148,758.26 = 54,810.09 : x - Step 2: Convert to fraction form
99,191.61/148,758.26 = 54,810.09/x - Step 3: Cross multiply
99,191.61x = 148,758.26 × 54,810.09 - Step 4: Simplify right side
99,191.61x = 8,153,453,344.79 - Step 5: Solve for x
x = 8,153,453,344.79/99,191.61 - Step 6: Final answer
x = 82,199.02
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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.