Finding the Fourth Proportional to 107,925.70, 162,034.35 and 68,559.70
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Solution
The fourth proportional to 107,925.70, 162,034.35 and 68,559.70 is: 102,932.17
Step by Step Solution
- Step 1: Write the proportion equation
107,925.70 : 162,034.35 = 68,559.70 : x - Step 2: Convert to fraction form
107,925.70/162,034.35 = 68,559.70/x - Step 3: Cross multiply
107,925.70x = 162,034.35 × 68,559.70 - Step 4: Simplify right side
107,925.70x = 11,109,026,425.70 - Step 5: Solve for x
x = 11,109,026,425.70/107,925.70 - Step 6: Final answer
x = 102,932.17
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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.