Finding the Fourth Proportional to 135,546.24, 187,048.71 and 75,115.32
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Solution
The fourth proportional to 135,546.24, 187,048.71 and 75,115.32 is: 103,656.31
Step by Step Solution
- Step 1: Write the proportion equation
135,546.24 : 187,048.71 = 75,115.32 : x - Step 2: Convert to fraction form
135,546.24/187,048.71 = 75,115.32/x - Step 3: Cross multiply
135,546.24x = 187,048.71 × 75,115.32 - Step 4: Simplify right side
135,546.24x = 14,050,223,707.24 - Step 5: Solve for x
x = 14,050,223,707.24/135,546.24 - Step 6: Final answer
x = 103,656.31
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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.