Finding the Fourth Proportional to 108,219.24, 161,459.73 and 97,021.80
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Solution
The fourth proportional to 108,219.24, 161,459.73 and 97,021.80 is: 144,753.50
Step by Step Solution
- Step 1: Write the proportion equation
108,219.24 : 161,459.73 = 97,021.80 : x - Step 2: Convert to fraction form
108,219.24/161,459.73 = 97,021.80/x - Step 3: Cross multiply
108,219.24x = 161,459.73 × 97,021.80 - Step 4: Simplify right side
108,219.24x = 15,665,113,632.11 - Step 5: Solve for x
x = 15,665,113,632.11/108,219.24 - Step 6: Final answer
x = 144,753.50
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.