Finding the Fourth Proportional to 133,445.67, 199,947.05 and 93,919.75
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Solution
The fourth proportional to 133,445.67, 199,947.05 and 93,919.75 is: 140,723.76
Step by Step Solution
- Step 1: Write the proportion equation
133,445.67 : 199,947.05 = 93,919.75 : x - Step 2: Convert to fraction form
133,445.67/199,947.05 = 93,919.75/x - Step 3: Cross multiply
133,445.67x = 199,947.05 × 93,919.75 - Step 4: Simplify right side
133,445.67x = 18,778,976,949.24 - Step 5: Solve for x
x = 18,778,976,949.24/133,445.67 - Step 6: Final answer
x = 140,723.76
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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.