Finding the Fourth Proportional to 143,557.26, 198,107.06 and 79,895.06
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Solution
The fourth proportional to 143,557.26, 198,107.06 and 79,895.06 is: 110,254.09
Step by Step Solution
- Step 1: Write the proportion equation
143,557.26 : 198,107.06 = 79,895.06 : x - Step 2: Convert to fraction form
143,557.26/198,107.06 = 79,895.06/x - Step 3: Cross multiply
143,557.26x = 198,107.06 × 79,895.06 - Step 4: Simplify right side
143,557.26x = 15,827,775,445.12 - Step 5: Solve for x
x = 15,827,775,445.12/143,557.26 - Step 6: Final answer
x = 110,254.09
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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.