Finding the Fourth Proportional to 112,108.53, 154,549.02 and 88,193.68
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Solution
The fourth proportional to 112,108.53, 154,549.02 and 88,193.68 is: 121,580.82
Step by Step Solution
- Step 1: Write the proportion equation
112,108.53 : 154,549.02 = 88,193.68 : x - Step 2: Convert to fraction form
112,108.53/154,549.02 = 88,193.68/x - Step 3: Cross multiply
112,108.53x = 154,549.02 × 88,193.68 - Step 4: Simplify right side
112,108.53x = 13,630,246,814.19 - Step 5: Solve for x
x = 13,630,246,814.19/112,108.53 - Step 6: Final answer
x = 121,580.82
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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.