Finding the Fourth Proportional to 167,529.84, 231,202.08 and 103,909.92
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Solution
The fourth proportional to 167,529.84, 231,202.08 and 103,909.92 is: 143,402.45
Step by Step Solution
- Step 1: Write the proportion equation
167,529.84 : 231,202.08 = 103,909.92 : x - Step 2: Convert to fraction form
167,529.84/231,202.08 = 103,909.92/x - Step 3: Cross multiply
167,529.84x = 231,202.08 × 103,909.92 - Step 4: Simplify right side
167,529.84x = 24,024,189,636.63 - Step 5: Solve for x
x = 24,024,189,636.63/167,529.84 - Step 6: Final answer
x = 143,402.45
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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.