Finding the Fourth Proportional to 193,154.48, 266,539.74 and 107,117.92
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Solution
The fourth proportional to 193,154.48, 266,539.74 and 107,117.92 is: 147,815.27
Step by Step Solution
- Step 1: Write the proportion equation
193,154.48 : 266,539.74 = 107,117.92 : x - Step 2: Convert to fraction form
193,154.48/266,539.74 = 107,117.92/x - Step 3: Cross multiply
193,154.48x = 266,539.74 × 107,117.92 - Step 4: Simplify right side
193,154.48x = 28,551,182,546.14 - Step 5: Solve for x
x = 28,551,182,546.14/193,154.48 - Step 6: Final answer
x = 147,815.27
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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.