Finding the Fourth Proportional to 133,031.08, 183,587.18 and 75,668.92
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Solution
The fourth proportional to 133,031.08, 183,587.18 and 75,668.92 is: 104,425.55
Step by Step Solution
- Step 1: Write the proportion equation
133,031.08 : 183,587.18 = 75,668.92 : x - Step 2: Convert to fraction form
133,031.08/183,587.18 = 75,668.92/x - Step 3: Cross multiply
133,031.08x = 183,587.18 × 75,668.92 - Step 4: Simplify right side
133,031.08x = 13,891,842,799.13 - Step 5: Solve for x
x = 13,891,842,799.13/133,031.08 - Step 6: Final answer
x = 104,425.55
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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.