Finding the Fourth Proportional to 148,634.64, 205,102.26 and 88,194.87
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Solution
The fourth proportional to 148,634.64, 205,102.26 and 88,194.87 is: 121,700.88
Step by Step Solution
- Step 1: Write the proportion equation
148,634.64 : 205,102.26 = 88,194.87 : x - Step 2: Convert to fraction form
148,634.64/205,102.26 = 88,194.87/x - Step 3: Cross multiply
148,634.64x = 205,102.26 × 88,194.87 - Step 4: Simplify right side
148,634.64x = 18,088,967,157.41 - Step 5: Solve for x
x = 18,088,967,157.41/148,634.64 - Step 6: Final answer
x = 121,700.88
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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.