Finding the Fourth Proportional to 114,260.94, 157,631.18 and 68,913.12
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Solution
The fourth proportional to 114,260.94, 157,631.18 and 68,913.12 is: 95,070.60
Step by Step Solution
- Step 1: Write the proportion equation
114,260.94 : 157,631.18 = 68,913.12 : x - Step 2: Convert to fraction form
114,260.94/157,631.18 = 68,913.12/x - Step 3: Cross multiply
114,260.94x = 157,631.18 × 68,913.12 - Step 4: Simplify right side
114,260.94x = 10,862,856,423.08 - Step 5: Solve for x
x = 10,862,856,423.08/114,260.94 - Step 6: Final answer
x = 95,070.60
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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.