Finding the Fourth Proportional to 135,897.95, 187,544.83 and 75,469.09
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Solution
The fourth proportional to 135,897.95, 187,544.83 and 75,469.09 is: 104,150.48
Step by Step Solution
- Step 1: Write the proportion equation
135,897.95 : 187,544.83 = 75,469.09 : x - Step 2: Convert to fraction form
135,897.95/187,544.83 = 75,469.09/x - Step 3: Cross multiply
135,897.95x = 187,544.83 × 75,469.09 - Step 4: Simplify right side
135,897.95x = 14,153,836,339.24 - Step 5: Solve for x
x = 14,153,836,339.24/135,897.95 - Step 6: Final answer
x = 104,150.48
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1.5x scale
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.