Finding the Fourth Proportional to 134,788.69, 202,076.50 and 67,286.08
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Solution
The fourth proportional to 134,788.69, 202,076.50 and 67,286.08 is: 100,875.94
Step by Step Solution
- Step 1: Write the proportion equation
134,788.69 : 202,076.50 = 67,286.08 : x - Step 2: Convert to fraction form
134,788.69/202,076.50 = 67,286.08/x - Step 3: Cross multiply
134,788.69x = 202,076.50 × 67,286.08 - Step 4: Simplify right side
134,788.69x = 13,596,935,881.82 - Step 5: Solve for x
x = 13,596,935,881.82/134,788.69 - Step 6: Final answer
x = 100,875.94
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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.