Finding the Fourth Proportional to 135,944.26, 187,560.75 and 78,562.67
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Solution
The fourth proportional to 135,944.26, 187,560.75 and 78,562.67 is: 108,392.02
Step by Step Solution
- Step 1: Write the proportion equation
135,944.26 : 187,560.75 = 78,562.67 : x - Step 2: Convert to fraction form
135,944.26/187,560.75 = 78,562.67/x - Step 3: Cross multiply
135,944.26x = 187,560.75 × 78,562.67 - Step 4: Simplify right side
135,944.26x = 14,735,273,307.20 - Step 5: Solve for x
x = 14,735,273,307.20/135,944.26 - Step 6: Final answer
x = 108,392.02
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.