Finding the Fourth Proportional to 132,980.54, 183,486.26 and 84,601.67
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Solution
The fourth proportional to 132,980.54, 183,486.26 and 84,601.67 is: 116,733.20
Step by Step Solution
- Step 1: Write the proportion equation
132,980.54 : 183,486.26 = 84,601.67 : x - Step 2: Convert to fraction form
132,980.54/183,486.26 = 84,601.67/x - Step 3: Cross multiply
132,980.54x = 183,486.26 × 84,601.67 - Step 4: Simplify right side
132,980.54x = 15,523,243,312.13 - Step 5: Solve for x
x = 15,523,243,312.13/132,980.54 - Step 6: Final answer
x = 116,733.20
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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.