Finding the Fourth Proportional to 114,115.86, 157,426.80 and 73,842.62
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Solution
The fourth proportional to 114,115.86, 157,426.80 and 73,842.62 is: 101,868.46
Step by Step Solution
- Step 1: Write the proportion equation
114,115.86 : 157,426.80 = 73,842.62 : x - Step 2: Convert to fraction form
114,115.86/157,426.80 = 73,842.62/x - Step 3: Cross multiply
114,115.86x = 157,426.80 × 73,842.62 - Step 4: Simplify right side
114,115.86x = 11,624,807,370.22 - Step 5: Solve for x
x = 11,624,807,370.22/114,115.86 - Step 6: Final answer
x = 101,868.46
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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.