Finding the Fourth Proportional to 148,070.65, 204,336.84 and 80,087.68
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Solution
The fourth proportional to 148,070.65, 204,336.84 and 80,087.68 is: 110,520.64
Step by Step Solution
- Step 1: Write the proportion equation
148,070.65 : 204,336.84 = 80,087.68 : x - Step 2: Convert to fraction form
148,070.65/204,336.84 = 80,087.68/x - Step 3: Cross multiply
148,070.65x = 204,336.84 × 80,087.68 - Step 4: Simplify right side
148,070.65x = 16,364,863,454.13 - Step 5: Solve for x
x = 16,364,863,454.13/148,070.65 - Step 6: Final answer
x = 110,520.64
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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.