Finding the Fourth Proportional to 136,239.70, 204,364.68 and 61,345.48
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Solution
The fourth proportional to 136,239.70, 204,364.68 and 61,345.48 is: 92,020.53
Step by Step Solution
- Step 1: Write the proportion equation
136,239.70 : 204,364.68 = 61,345.48 : x - Step 2: Convert to fraction form
136,239.70/204,364.68 = 61,345.48/x - Step 3: Cross multiply
136,239.70x = 204,364.68 × 61,345.48 - Step 4: Simplify right side
136,239.70x = 12,536,849,389.65 - Step 5: Solve for x
x = 12,536,849,389.65/136,239.70 - Step 6: Final answer
x = 92,020.53
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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.