Finding the Fourth Proportional to 135,560.75, 187,073.84 and 75,135.29
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Solution
The fourth proportional to 135,560.75, 187,073.84 and 75,135.29 is: 103,686.70
Step by Step Solution
- Step 1: Write the proportion equation
135,560.75 : 187,073.84 = 75,135.29 : x - Step 2: Convert to fraction form
135,560.75/187,073.84 = 75,135.29/x - Step 3: Cross multiply
135,560.75x = 187,073.84 × 75,135.29 - Step 4: Simplify right side
135,560.75x = 14,055,845,908.77 - Step 5: Solve for x
x = 14,055,845,908.77/135,560.75 - Step 6: Final answer
x = 103,686.70
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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.