Finding the Fourth Proportional to 136,252.08, 188,011.08 and 75,806.64
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Solution
The fourth proportional to 136,252.08, 188,011.08 and 75,806.64 is: 104,603.82
Step by Step Solution
- Step 1: Write the proportion equation
136,252.08 : 188,011.08 = 75,806.64 : x - Step 2: Convert to fraction form
136,252.08/188,011.08 = 75,806.64/x - Step 3: Cross multiply
136,252.08x = 188,011.08 × 75,806.64 - Step 4: Simplify right side
136,252.08x = 14,252,488,257.57 - Step 5: Solve for x
x = 14,252,488,257.57/136,252.08 - Step 6: Final answer
x = 104,603.82
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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.