Finding the Fourth Proportional to 134,690.04, 202,035.06 and 74,755.31
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Solution
The fourth proportional to 134,690.04, 202,035.06 and 74,755.31 is: 112,132.96
Step by Step Solution
- Step 1: Write the proportion equation
134,690.04 : 202,035.06 = 74,755.31 : x - Step 2: Convert to fraction form
134,690.04/202,035.06 = 74,755.31/x - Step 3: Cross multiply
134,690.04x = 202,035.06 × 74,755.31 - Step 4: Simplify right side
134,690.04x = 15,103,192,530.99 - Step 5: Solve for x
x = 15,103,192,530.99/134,690.04 - Step 6: Final answer
x = 112,132.96
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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.