Finding the Fourth Proportional to 114,109.21, 157,417.68 and 73,835.96
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Solution
The fourth proportional to 114,109.21, 157,417.68 and 73,835.96 is: 101,859.31
Step by Step Solution
- Step 1: Write the proportion equation
114,109.21 : 157,417.68 = 73,835.96 : x - Step 2: Convert to fraction form
114,109.21/157,417.68 = 73,835.96/x - Step 3: Cross multiply
114,109.21x = 157,417.68 × 73,835.96 - Step 4: Simplify right side
114,109.21x = 11,623,085,523.77 - Step 5: Solve for x
x = 11,623,085,523.77/114,109.21 - Step 6: Final answer
x = 101,859.31
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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.