Finding the Fourth Proportional to 114,311.19, 157,790.84 and 93,053.55
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Solution
The fourth proportional to 114,311.19, 157,790.84 and 93,053.55 is: 128,447.60
Step by Step Solution
- Step 1: Write the proportion equation
114,311.19 : 157,790.84 = 93,053.55 : x - Step 2: Convert to fraction form
114,311.19/157,790.84 = 93,053.55/x - Step 3: Cross multiply
114,311.19x = 157,790.84 × 93,053.55 - Step 4: Simplify right side
114,311.19x = 14,682,997,819.48 - Step 5: Solve for x
x = 14,682,997,819.48/114,311.19 - Step 6: Final answer
x = 128,447.60
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1.5x scale
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.