Finding the Fourth Proportional to 107,974.35, 149,001.26 and 60,235.79
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Solution
The fourth proportional to 107,974.35, 149,001.26 and 60,235.79 is: 83,123.52
Step by Step Solution
- Step 1: Write the proportion equation
107,974.35 : 149,001.26 = 60,235.79 : x - Step 2: Convert to fraction form
107,974.35/149,001.26 = 60,235.79/x - Step 3: Cross multiply
107,974.35x = 149,001.26 × 60,235.79 - Step 4: Simplify right side
107,974.35x = 8,975,207,560.91 - Step 5: Solve for x
x = 8,975,207,560.91/107,974.35 - Step 6: Final answer
x = 83,123.52
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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.