Finding the Fourth Proportional to 120,656.96, 180,005.74 and 114,125.12
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Solution
The fourth proportional to 120,656.96, 180,005.74 and 114,125.12 is: 170,261.02
Step by Step Solution
- Step 1: Write the proportion equation
120,656.96 : 180,005.74 = 114,125.12 : x - Step 2: Convert to fraction form
120,656.96/180,005.74 = 114,125.12/x - Step 3: Cross multiply
120,656.96x = 180,005.74 × 114,125.12 - Step 4: Simplify right side
120,656.96x = 20,543,176,678.19 - Step 5: Solve for x
x = 20,543,176,678.19/120,656.96 - Step 6: Final answer
x = 170,261.02
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.