Finding the Fourth Proportional to 94,135.20, 141,202.80 and 31,804.80
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Solution
The fourth proportional to 94,135.20, 141,202.80 and 31,804.80 is: 47,707.20
Step by Step Solution
- Step 1: Write the proportion equation
94,135.20 : 141,202.80 = 31,804.80 : x - Step 2: Convert to fraction form
94,135.20/141,202.80 = 31,804.80/x - Step 3: Cross multiply
94,135.20x = 141,202.80 × 31,804.80 - Step 4: Simplify right side
94,135.20x = 4,490,926,813.44 - Step 5: Solve for x
x = 4,490,926,813.44/94,135.20 - Step 6: Final answer
x = 47,707.20
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1.5x scale
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.