Finding the Fourth Proportional to 147,121.02, 202,974.74 and 96,163.12
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Solution
The fourth proportional to 147,121.02, 202,974.74 and 96,163.12 is: 132,670.94
Step by Step Solution
- Step 1: Write the proportion equation
147,121.02 : 202,974.74 = 96,163.12 : x - Step 2: Convert to fraction form
147,121.02/202,974.74 = 96,163.12/x - Step 3: Cross multiply
147,121.02x = 202,974.74 × 96,163.12 - Step 4: Simplify right side
147,121.02x = 19,518,683,798.77 - Step 5: Solve for x
x = 19,518,683,798.77/147,121.02 - Step 6: Final answer
x = 132,670.94
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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.