Finding the Fourth Proportional to 114,938.87, 158,620.21 and 69,591.08
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Solution
The fourth proportional to 114,938.87, 158,620.21 and 69,591.08 is: 96,038.46
Step by Step Solution
- Step 1: Write the proportion equation
114,938.87 : 158,620.21 = 69,591.08 : x - Step 2: Convert to fraction form
114,938.87/158,620.21 = 69,591.08/x - Step 3: Cross multiply
114,938.87x = 158,620.21 × 69,591.08 - Step 4: Simplify right side
114,938.87x = 11,038,551,946.30 - Step 5: Solve for x
x = 11,038,551,946.30/114,938.87 - Step 6: Final answer
x = 96,038.46
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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.