Finding the Fourth Proportional to 118,236.23, 163,169.47 and 64,524.71
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Solution
The fourth proportional to 118,236.23, 163,169.47 and 64,524.71 is: 89,045.99
Step by Step Solution
- Step 1: Write the proportion equation
118,236.23 : 163,169.47 = 64,524.71 : x - Step 2: Convert to fraction form
118,236.23/163,169.47 = 64,524.71/x - Step 3: Cross multiply
118,236.23x = 163,169.47 × 64,524.71 - Step 4: Simplify right side
118,236.23x = 10,528,462,732.60 - Step 5: Solve for x
x = 10,528,462,732.60/118,236.23 - Step 6: Final answer
x = 89,045.99
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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.