Finding the Fourth Proportional to 134,640.95, 185,803.70 and 73,387.05
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Solution
The fourth proportional to 134,640.95, 185,803.70 and 73,387.05 is: 101,273.69
Step by Step Solution
- Step 1: Write the proportion equation
134,640.95 : 185,803.70 = 73,387.05 : x - Step 2: Convert to fraction form
134,640.95/185,803.70 = 73,387.05/x - Step 3: Cross multiply
134,640.95x = 185,803.70 × 73,387.05 - Step 4: Simplify right side
134,640.95x = 13,635,585,055.15 - Step 5: Solve for x
x = 13,635,585,055.15/134,640.95 - Step 6: Final answer
x = 101,273.69
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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.