Finding the Fourth Proportional to 144,095.99, 198,851.67 and 83,681.46
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Solution
The fourth proportional to 144,095.99, 198,851.67 and 83,681.46 is: 115,479.96
Step by Step Solution
- Step 1: Write the proportion equation
144,095.99 : 198,851.67 = 83,681.46 : x - Step 2: Convert to fraction form
144,095.99/198,851.67 = 83,681.46/x - Step 3: Cross multiply
144,095.99x = 198,851.67 × 83,681.46 - Step 4: Simplify right side
144,095.99x = 16,640,198,069.04 - Step 5: Solve for x
x = 16,640,198,069.04/144,095.99 - Step 6: Final answer
x = 115,479.96
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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.