Finding the Fourth Proportional to 141,060.44, 194,663.68 and 77,398.68
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Solution
The fourth proportional to 141,060.44, 194,663.68 and 77,398.68 is: 106,810.33
Step by Step Solution
- Step 1: Write the proportion equation
141,060.44 : 194,663.68 = 77,398.68 : x - Step 2: Convert to fraction form
141,060.44/194,663.68 = 77,398.68/x - Step 3: Cross multiply
141,060.44x = 194,663.68 × 77,398.68 - Step 4: Simplify right side
141,060.44x = 15,066,711,875.94 - Step 5: Solve for x
x = 15,066,711,875.94/141,060.44 - Step 6: Final answer
x = 106,810.33
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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.