Finding the Fourth Proportional to 187,130.39, 258,236.91 and 102,245.63
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Solution
The fourth proportional to 187,130.39, 258,236.91 and 102,245.63 is: 141,097.31
Step by Step Solution
- Step 1: Write the proportion equation
187,130.39 : 258,236.91 = 102,245.63 : x - Step 2: Convert to fraction form
187,130.39/258,236.91 = 102,245.63/x - Step 3: Cross multiply
187,130.39x = 258,236.91 × 102,245.63 - Step 4: Simplify right side
187,130.39x = 26,403,595,552.20 - Step 5: Solve for x
x = 26,403,595,552.20/187,130.39 - Step 6: Final answer
x = 141,097.31
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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.