Finding the Fourth Proportional to 160,861.04, 221,994.16 and 97,186.50
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Solution
The fourth proportional to 160,861.04, 221,994.16 and 97,186.50 is: 134,120.95
Step by Step Solution
- Step 1: Write the proportion equation
160,861.04 : 221,994.16 = 97,186.50 : x - Step 2: Convert to fraction form
160,861.04/221,994.16 = 97,186.50/x - Step 3: Cross multiply
160,861.04x = 221,994.16 × 97,186.50 - Step 4: Simplify right side
160,861.04x = 21,574,835,430.84 - Step 5: Solve for x
x = 21,574,835,430.84/160,861.04 - Step 6: Final answer
x = 134,120.95
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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.