Finding the Fourth Proportional to 114,903.95, 158,502.68 and 68,951.70
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Solution
The fourth proportional to 114,903.95, 158,502.68 and 68,951.70 is: 95,114.48
Step by Step Solution
- Step 1: Write the proportion equation
114,903.95 : 158,502.68 = 68,951.70 : x - Step 2: Convert to fraction form
114,903.95/158,502.68 = 68,951.70/x - Step 3: Cross multiply
114,903.95x = 158,502.68 × 68,951.70 - Step 4: Simplify right side
114,903.95x = 10,929,029,240.56 - Step 5: Solve for x
x = 10,929,029,240.56/114,903.95 - Step 6: Final answer
x = 95,114.48
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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.