Finding the Fourth Proportional to 136,607.38, 204,877.99 and 70,013.23
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Solution
The fourth proportional to 136,607.38, 204,877.99 and 70,013.23 is: 105,002.89
Step by Step Solution
- Step 1: Write the proportion equation
136,607.38 : 204,877.99 = 70,013.23 : x - Step 2: Convert to fraction form
136,607.38/204,877.99 = 70,013.23/x - Step 3: Cross multiply
136,607.38x = 204,877.99 × 70,013.23 - Step 4: Simplify right side
136,607.38x = 14,344,169,411.13 - Step 5: Solve for x
x = 14,344,169,411.13/136,607.38 - Step 6: Final answer
x = 105,002.89
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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.