Finding the Fourth Proportional to 132,467.08, 182,803.74 and 75,117.28
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Solution
The fourth proportional to 132,467.08, 182,803.74 and 75,117.28 is: 103,661.38
Step by Step Solution
- Step 1: Write the proportion equation
132,467.08 : 182,803.74 = 75,117.28 : x - Step 2: Convert to fraction form
132,467.08/182,803.74 = 75,117.28/x - Step 3: Cross multiply
132,467.08x = 182,803.74 × 75,117.28 - Step 4: Simplify right side
132,467.08x = 13,731,719,722.63 - Step 5: Solve for x
x = 13,731,719,722.63/132,467.08 - Step 6: Final answer
x = 103,661.38
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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.