Finding the Fourth Proportional to 135,616.96, 187,084.92 and 117,686.80
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Solution
The fourth proportional to 135,616.96, 187,084.92 and 117,686.80 is: 162,350.09
Step by Step Solution
- Step 1: Write the proportion equation
135,616.96 : 187,084.92 = 117,686.80 : x - Step 2: Convert to fraction form
135,616.96/187,084.92 = 117,686.80/x - Step 3: Cross multiply
135,616.96x = 187,084.92 × 117,686.80 - Step 4: Simplify right side
135,616.96x = 22,017,425,563.06 - Step 5: Solve for x
x = 22,017,425,563.06/135,616.96 - Step 6: Final answer
x = 162,350.09
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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.