Finding the Fourth Proportional to 135,617.95, 187,163.86 and 75,207.54
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Solution
The fourth proportional to 135,617.95, 187,163.86 and 75,207.54 is: 103,792.55
Step by Step Solution
- Step 1: Write the proportion equation
135,617.95 : 187,163.86 = 75,207.54 : x - Step 2: Convert to fraction form
135,617.95/187,163.86 = 75,207.54/x - Step 3: Cross multiply
135,617.95x = 187,163.86 × 75,207.54 - Step 4: Simplify right side
135,617.95x = 14,076,133,487.50 - Step 5: Solve for x
x = 14,076,133,487.50/135,617.95 - Step 6: Final answer
x = 103,792.55
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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.