Finding the Fourth Proportional to 147,970.99, 204,152.97 and 87,562.41
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Solution
The fourth proportional to 147,970.99, 204,152.97 and 87,562.41 is: 120,808.32
Step by Step Solution
- Step 1: Write the proportion equation
147,970.99 : 204,152.97 = 87,562.41 : x - Step 2: Convert to fraction form
147,970.99/204,152.97 = 87,562.41/x - Step 3: Cross multiply
147,970.99x = 204,152.97 × 87,562.41 - Step 4: Simplify right side
147,970.99x = 17,876,126,061.86 - Step 5: Solve for x
x = 17,876,126,061.86/147,970.99 - Step 6: Final answer
x = 120,808.32
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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.