Finding the Fourth Proportional to 147,972.62, 204,199.14 and 80,904.62
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Solution
The fourth proportional to 147,972.62, 204,199.14 and 80,904.62 is: 111,646.69
Step by Step Solution
- Step 1: Write the proportion equation
147,972.62 : 204,199.14 = 80,904.62 : x - Step 2: Convert to fraction form
147,972.62/204,199.14 = 80,904.62/x - Step 3: Cross multiply
147,972.62x = 204,199.14 × 80,904.62 - Step 4: Simplify right side
147,972.62x = 16,520,653,826.03 - Step 5: Solve for x
x = 16,520,653,826.03/147,972.62 - Step 6: Final answer
x = 111,646.69
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1.5x scale
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.