Finding the Fourth Proportional to 135,468.41, 186,938.18 and 75,035.53
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Solution
The fourth proportional to 135,468.41, 186,938.18 and 75,035.53 is: 103,544.48
Step by Step Solution
- Step 1: Write the proportion equation
135,468.41 : 186,938.18 = 75,035.53 : x - Step 2: Convert to fraction form
135,468.41/186,938.18 = 75,035.53/x - Step 3: Cross multiply
135,468.41x = 186,938.18 × 75,035.53 - Step 4: Simplify right side
135,468.41x = 14,027,005,413.54 - Step 5: Solve for x
x = 14,027,005,413.54/135,468.41 - Step 6: Final answer
x = 103,544.48
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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.