Finding the Fourth Proportional to 133,092.10, 199,638.15 and 88,185.70
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Solution
The fourth proportional to 133,092.10, 199,638.15 and 88,185.70 is: 132,278.55
Step by Step Solution
- Step 1: Write the proportion equation
133,092.10 : 199,638.15 = 88,185.70 : x - Step 2: Convert to fraction form
133,092.10/199,638.15 = 88,185.70/x - Step 3: Cross multiply
133,092.10x = 199,638.15 × 88,185.70 - Step 4: Simplify right side
133,092.10x = 17,605,230,004.46 - Step 5: Solve for x
x = 17,605,230,004.46/133,092.10 - Step 6: Final answer
x = 132,278.55
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.