Finding the Fourth Proportional to 105,177.50, 157,812.48 and 55,245.99
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Solution
The fourth proportional to 105,177.50, 157,812.48 and 55,245.99 is: 82,893.27
Step by Step Solution
- Step 1: Write the proportion equation
105,177.50 : 157,812.48 = 55,245.99 : x - Step 2: Convert to fraction form
105,177.50/157,812.48 = 55,245.99/x - Step 3: Cross multiply
105,177.50x = 157,812.48 × 55,245.99 - Step 4: Simplify right side
105,177.50x = 8,718,506,691.96 - Step 5: Solve for x
x = 8,718,506,691.96/105,177.50 - Step 6: Final answer
x = 82,893.27
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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.