Finding the Fourth Proportional to 187,188.76, 258,320.49 and 102,305.82
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Solution
The fourth proportional to 187,188.76, 258,320.49 and 102,305.82 is: 141,182.03
Step by Step Solution
- Step 1: Write the proportion equation
187,188.76 : 258,320.49 = 102,305.82 : x - Step 2: Convert to fraction form
187,188.76/258,320.49 = 102,305.82/x - Step 3: Cross multiply
187,188.76x = 258,320.49 × 102,305.82 - Step 4: Simplify right side
187,188.76x = 26,427,689,259.72 - Step 5: Solve for x
x = 26,427,689,259.72/187,188.76 - Step 6: Final answer
x = 141,182.03
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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.