Finding the Fourth Proportional to 119,959.68, 180,056.14 and 57,673.92
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Solution
The fourth proportional to 119,959.68, 180,056.14 and 57,673.92 is: 86,566.95
Step by Step Solution
- Step 1: Write the proportion equation
119,959.68 : 180,056.14 = 57,673.92 : x - Step 2: Convert to fraction form
119,959.68/180,056.14 = 57,673.92/x - Step 3: Cross multiply
119,959.68x = 180,056.14 × 57,673.92 - Step 4: Simplify right side
119,959.68x = 10,384,543,413.87 - Step 5: Solve for x
x = 10,384,543,413.87/119,959.68 - Step 6: Final answer
x = 86,566.95
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.