Finding the Fourth Proportional to 136,062.18, 187,700.49 and 117,166.50
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Solution
The fourth proportional to 136,062.18, 187,700.49 and 117,166.50 is: 161,633.52
Step by Step Solution
- Step 1: Write the proportion equation
136,062.18 : 187,700.49 = 117,166.50 : x - Step 2: Convert to fraction form
136,062.18/187,700.49 = 117,166.50/x - Step 3: Cross multiply
136,062.18x = 187,700.49 × 117,166.50 - Step 4: Simplify right side
136,062.18x = 21,992,209,461.59 - Step 5: Solve for x
x = 21,992,209,461.59/136,062.18 - Step 6: Final answer
x = 161,633.52
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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.