Finding the Fourth Proportional to 124,312.80, 186,469.20 and 110,534.70
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Solution
The fourth proportional to 124,312.80, 186,469.20 and 110,534.70 is: 165,802.05
Step by Step Solution
- Step 1: Write the proportion equation
124,312.80 : 186,469.20 = 110,534.70 : x - Step 2: Convert to fraction form
124,312.80/186,469.20 = 110,534.70/x - Step 3: Cross multiply
124,312.80x = 186,469.20 × 110,534.70 - Step 4: Simplify right side
124,312.80x = 20,611,317,081.24 - Step 5: Solve for x
x = 20,611,317,081.24/124,312.80 - Step 6: Final answer
x = 165,802.05
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.