Finding the Fourth Proportional to 134,663.10, 201,703.05 and 87,423.90
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Solution
The fourth proportional to 134,663.10, 201,703.05 and 87,423.90 is: 130,946.54
Step by Step Solution
- Step 1: Write the proportion equation
134,663.10 : 201,703.05 = 87,423.90 : x - Step 2: Convert to fraction form
134,663.10/201,703.05 = 87,423.90/x - Step 3: Cross multiply
134,663.10x = 201,703.05 × 87,423.90 - Step 4: Simplify right side
134,663.10x = 17,633,667,272.90 - Step 5: Solve for x
x = 17,633,667,272.90/134,663.10 - Step 6: Final answer
x = 130,946.54
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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.