Finding the Fourth Proportional to 119,526.36, 164,946.14 and 65,811.41
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Solution
The fourth proportional to 119,526.36, 164,946.14 and 65,811.41 is: 90,819.62
Step by Step Solution
- Step 1: Write the proportion equation
119,526.36 : 164,946.14 = 65,811.41 : x - Step 2: Convert to fraction form
119,526.36/164,946.14 = 65,811.41/x - Step 3: Cross multiply
119,526.36x = 164,946.14 × 65,811.41 - Step 4: Simplify right side
119,526.36x = 10,855,337,759.01 - Step 5: Solve for x
x = 10,855,337,759.01/119,526.36 - Step 6: Final answer
x = 90,819.62
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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.