Finding the Fourth Proportional to 133,389.24, 199,861.74 and 93,863.32
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Solution
The fourth proportional to 133,389.24, 199,861.74 and 93,863.32 is: 140,638.68
Step by Step Solution
- Step 1: Write the proportion equation
133,389.24 : 199,861.74 = 93,863.32 : x - Step 2: Convert to fraction form
133,389.24/199,861.74 = 93,863.32/x - Step 3: Cross multiply
133,389.24x = 199,861.74 × 93,863.32 - Step 4: Simplify right side
133,389.24x = 18,759,686,457.38 - Step 5: Solve for x
x = 18,759,686,457.38/133,389.24 - Step 6: Final answer
x = 140,638.68
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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.