Finding the Fourth Proportional to 130,173.80, 194,828.70 and 94,533.80
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Solution
The fourth proportional to 130,173.80, 194,828.70 and 94,533.80 is: 141,486.98
Step by Step Solution
- Step 1: Write the proportion equation
130,173.80 : 194,828.70 = 94,533.80 : x - Step 2: Convert to fraction form
130,173.80/194,828.70 = 94,533.80/x - Step 3: Cross multiply
130,173.80x = 194,828.70 × 94,533.80 - Step 4: Simplify right side
130,173.80x = 18,417,897,360.06 - Step 5: Solve for x
x = 18,417,897,360.06/130,173.80 - Step 6: Final answer
x = 141,486.98
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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.