Finding the Fourth Proportional to 133,378.74, 199,845.99 and 93,852.81
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Solution
The fourth proportional to 133,378.74, 199,845.99 and 93,852.81 is: 140,622.92
Step by Step Solution
- Step 1: Write the proportion equation
133,378.74 : 199,845.99 = 93,852.81 : x - Step 2: Convert to fraction form
133,378.74/199,845.99 = 93,852.81/x - Step 3: Cross multiply
133,378.74x = 199,845.99 × 93,852.81 - Step 4: Simplify right side
133,378.74x = 18,756,107,728.73 - Step 5: Solve for x
x = 18,756,107,728.73/133,378.74 - Step 6: Final answer
x = 140,622.92
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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.