Finding the Fourth Proportional to 163,526.70, 225,668.88 and 98,995.08
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Solution
The fourth proportional to 163,526.70, 225,668.88 and 98,995.08 is: 136,614.44
Step by Step Solution
- Step 1: Write the proportion equation
163,526.70 : 225,668.88 = 98,995.08 : x - Step 2: Convert to fraction form
163,526.70/225,668.88 = 98,995.08/x - Step 3: Cross multiply
163,526.70x = 225,668.88 × 98,995.08 - Step 4: Simplify right side
163,526.70x = 22,340,108,829.11 - Step 5: Solve for x
x = 22,340,108,829.11/163,526.70 - Step 6: Final answer
x = 136,614.44
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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.