Finding the Fourth Proportional to 114,451.84, 157,941.12 and 64,149.76
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Solution
The fourth proportional to 114,451.84, 157,941.12 and 64,149.76 is: 88,525.31
Step by Step Solution
- Step 1: Write the proportion equation
114,451.84 : 157,941.12 = 64,149.76 : x - Step 2: Convert to fraction form
114,451.84/157,941.12 = 64,149.76/x - Step 3: Cross multiply
114,451.84x = 157,941.12 × 64,149.76 - Step 4: Simplify right side
114,451.84x = 10,131,884,942.13 - Step 5: Solve for x
x = 10,131,884,942.13/114,451.84 - Step 6: Final answer
x = 88,525.31
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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.