Finding the Fourth Proportional to 120,207.95, 180,152.65 and 63,926.88
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Solution
The fourth proportional to 120,207.95, 180,152.65 and 63,926.88 is: 95,805.62
Step by Step Solution
- Step 1: Write the proportion equation
120,207.95 : 180,152.65 = 63,926.88 : x - Step 2: Convert to fraction form
120,207.95/180,152.65 = 63,926.88/x - Step 3: Cross multiply
120,207.95x = 180,152.65 × 63,926.88 - Step 4: Simplify right side
120,207.95x = 11,516,596,838.23 - Step 5: Solve for x
x = 11,516,596,838.23/120,207.95 - Step 6: Final answer
x = 95,805.62
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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.