Finding the Fourth Proportional to 114,599.08, 158,128.24 and 66,193.31
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Solution
The fourth proportional to 114,599.08, 158,128.24 and 66,193.31 is: 91,336.09
Step by Step Solution
- Step 1: Write the proportion equation
114,599.08 : 158,128.24 = 66,193.31 : x - Step 2: Convert to fraction form
114,599.08/158,128.24 = 66,193.31/x - Step 3: Cross multiply
114,599.08x = 158,128.24 × 66,193.31 - Step 4: Simplify right side
114,599.08x = 10,467,032,040.95 - Step 5: Solve for x
x = 10,467,032,040.95/114,599.08 - Step 6: Final answer
x = 91,336.09
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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.