Finding the Fourth Proportional to 136,176.20, 203,972.70 and 112,848.20
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Solution
The fourth proportional to 136,176.20, 203,972.70 and 112,848.20 is: 169,030.65
Step by Step Solution
- Step 1: Write the proportion equation
136,176.20 : 203,972.70 = 112,848.20 : x - Step 2: Convert to fraction form
136,176.20/203,972.70 = 112,848.20/x - Step 3: Cross multiply
136,176.20x = 203,972.70 × 112,848.20 - Step 4: Simplify right side
136,176.20x = 23,017,952,044.14 - Step 5: Solve for x
x = 23,017,952,044.14/136,176.20 - Step 6: Final answer
x = 169,030.65
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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.