Finding the Fourth Proportional to 163,935.93, 226,225.49 and 91,337.12
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Solution
The fourth proportional to 163,935.93, 226,225.49 and 91,337.12 is: 126,041.83
Step by Step Solution
- Step 1: Write the proportion equation
163,935.93 : 226,225.49 = 91,337.12 : x - Step 2: Convert to fraction form
163,935.93/226,225.49 = 91,337.12/x - Step 3: Cross multiply
163,935.93x = 226,225.49 × 91,337.12 - Step 4: Simplify right side
163,935.93x = 20,662,784,727.19 - Step 5: Solve for x
x = 20,662,784,727.19/163,935.93 - Step 6: Final answer
x = 126,041.83
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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.