Finding the Fourth Proportional to 142,817.91, 197,168.36 and 97,563.75
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Solution
The fourth proportional to 142,817.91, 197,168.36 and 97,563.75 is: 134,692.38
Step by Step Solution
- Step 1: Write the proportion equation
142,817.91 : 197,168.36 = 97,563.75 : x - Step 2: Convert to fraction form
142,817.91/197,168.36 = 97,563.75/x - Step 3: Cross multiply
142,817.91x = 197,168.36 × 97,563.75 - Step 4: Simplify right side
142,817.91x = 19,236,484,095.13 - Step 5: Solve for x
x = 19,236,484,095.13/142,817.91 - Step 6: Final answer
x = 134,692.38
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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.