Finding the Fourth Proportional to 122,531.60, 169,140.36 and 119,160.88
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Solution
The fourth proportional to 122,531.60, 169,140.36 and 119,160.88 is: 164,487.48
Step by Step Solution
- Step 1: Write the proportion equation
122,531.60 : 169,140.36 = 119,160.88 : x - Step 2: Convert to fraction form
122,531.60/169,140.36 = 119,160.88/x - Step 3: Cross multiply
122,531.60x = 169,140.36 × 119,160.88 - Step 4: Simplify right side
122,531.60x = 20,154,914,141.12 - Step 5: Solve for x
x = 20,154,914,141.12/122,531.60 - Step 6: Final answer
x = 164,487.48
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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.