Finding the Fourth Proportional to 168,178.69, 251,501.06 and 125,514.23
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Solution
The fourth proportional to 168,178.69, 251,501.06 and 125,514.23 is: 187,698.95
Step by Step Solution
- Step 1: Write the proportion equation
168,178.69 : 251,501.06 = 125,514.23 : x - Step 2: Convert to fraction form
168,178.69/251,501.06 = 125,514.23/x - Step 3: Cross multiply
168,178.69x = 251,501.06 × 125,514.23 - Step 4: Simplify right side
168,178.69x = 31,566,962,832.62 - Step 5: Solve for x
x = 31,566,962,832.62/168,178.69 - Step 6: Final answer
x = 187,698.95
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.