Finding the Fourth Proportional to 135,546.08, 187,054.07 and 75,117.75
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Solution
The fourth proportional to 135,546.08, 187,054.07 and 75,117.75 is: 103,662.76
Step by Step Solution
- Step 1: Write the proportion equation
135,546.08 : 187,054.07 = 75,117.75 : x - Step 2: Convert to fraction form
135,546.08/187,054.07 = 75,117.75/x - Step 3: Cross multiply
135,546.08x = 187,054.07 × 75,117.75 - Step 4: Simplify right side
135,546.08x = 14,051,080,491.15 - Step 5: Solve for x
x = 14,051,080,491.15/135,546.08 - Step 6: Final answer
x = 103,662.76
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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.