Finding the Fourth Proportional to 114,119.92, 157,486.68 and 63,821.68
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Solution
The fourth proportional to 114,119.92, 157,486.68 and 63,821.68 is: 88,074.58
Step by Step Solution
- Step 1: Write the proportion equation
114,119.92 : 157,486.68 = 63,821.68 : x - Step 2: Convert to fraction form
114,119.92/157,486.68 = 63,821.68/x - Step 3: Cross multiply
114,119.92x = 157,486.68 × 63,821.68 - Step 4: Simplify right side
114,119.92x = 10,051,064,495.22 - Step 5: Solve for x
x = 10,051,064,495.22/114,119.92 - Step 6: Final answer
x = 88,074.58
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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.