Finding the Fourth Proportional to 147,700.67, 203,757.12 and 87,230.93
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Solution
The fourth proportional to 147,700.67, 203,757.12 and 87,230.93 is: 120,337.45
Step by Step Solution
- Step 1: Write the proportion equation
147,700.67 : 203,757.12 = 87,230.93 : x - Step 2: Convert to fraction form
147,700.67/203,757.12 = 87,230.93/x - Step 3: Cross multiply
147,700.67x = 203,757.12 × 87,230.93 - Step 4: Simplify right side
147,700.67x = 17,773,922,052.94 - Step 5: Solve for x
x = 17,773,922,052.94/147,700.67 - Step 6: Final answer
x = 120,337.45
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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.