Finding the Fourth Proportional to 113,899.64, 157,183.16 and 66,152.99
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Solution
The fourth proportional to 113,899.64, 157,183.16 and 66,152.99 is: 91,292.08
Step by Step Solution
- Step 1: Write the proportion equation
113,899.64 : 157,183.16 = 66,152.99 : x - Step 2: Convert to fraction form
113,899.64/157,183.16 = 66,152.99/x - Step 3: Cross multiply
113,899.64x = 157,183.16 × 66,152.99 - Step 4: Simplify right side
113,899.64x = 10,398,134,894.97 - Step 5: Solve for x
x = 10,398,134,894.97/113,899.64 - Step 6: Final answer
x = 91,292.08
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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.