Finding the Fourth Proportional to 192,116.76, 265,089.42 and 107,233.80
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Solution
The fourth proportional to 192,116.76, 265,089.42 and 107,233.80 is: 147,964.95
Step by Step Solution
- Step 1: Write the proportion equation
192,116.76 : 265,089.42 = 107,233.80 : x - Step 2: Convert to fraction form
192,116.76/265,089.42 = 107,233.80/x - Step 3: Cross multiply
192,116.76x = 265,089.42 × 107,233.80 - Step 4: Simplify right side
192,116.76x = 28,426,545,846.40 - Step 5: Solve for x
x = 28,426,545,846.40/192,116.76 - Step 6: Final answer
x = 147,964.95
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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.