Finding the Fourth Proportional to 120,301.91, 166,058.10 and 69,334.99
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Solution
The fourth proportional to 120,301.91, 166,058.10 and 69,334.99 is: 95,706.18
Step by Step Solution
- Step 1: Write the proportion equation
120,301.91 : 166,058.10 = 69,334.99 : x - Step 2: Convert to fraction form
120,301.91/166,058.10 = 69,334.99/x - Step 3: Cross multiply
120,301.91x = 166,058.10 × 69,334.99 - Step 4: Simplify right side
120,301.91x = 11,513,636,287.77 - Step 5: Solve for x
x = 11,513,636,287.77/120,301.91 - Step 6: Final answer
x = 95,706.18
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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.