Finding the Fourth Proportional to 134,117.70, 201,176.55 and 71,909.70
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Solution
The fourth proportional to 134,117.70, 201,176.55 and 71,909.70 is: 107,864.55
Step by Step Solution
- Step 1: Write the proportion equation
134,117.70 : 201,176.55 = 71,909.70 : x - Step 2: Convert to fraction form
134,117.70/201,176.55 = 71,909.70/x - Step 3: Cross multiply
134,117.70x = 201,176.55 × 71,909.70 - Step 4: Simplify right side
134,117.70x = 14,466,545,357.54 - Step 5: Solve for x
x = 14,466,545,357.54/134,117.70 - Step 6: Final answer
x = 107,864.55
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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.