Finding the Fourth Proportional to 119,115.05, 164,346.66 and 68,117.26
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Solution
The fourth proportional to 119,115.05, 164,346.66 and 68,117.26 is: 93,983.46
Step by Step Solution
- Step 1: Write the proportion equation
119,115.05 : 164,346.66 = 68,117.26 : x - Step 2: Convert to fraction form
119,115.05/164,346.66 = 68,117.26/x - Step 3: Cross multiply
119,115.05x = 164,346.66 × 68,117.26 - Step 4: Simplify right side
119,115.05x = 11,194,844,169.35 - Step 5: Solve for x
x = 11,194,844,169.35/119,115.05 - Step 6: Final answer
x = 93,983.46
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1.5x scale
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.