Finding the Fourth Proportional to 130,203.24, 194,986.36 and 117,581.50
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Solution
The fourth proportional to 130,203.24, 194,986.36 and 117,581.50 is: 176,084.62
Step by Step Solution
- Step 1: Write the proportion equation
130,203.24 : 194,986.36 = 117,581.50 : x - Step 2: Convert to fraction form
130,203.24/194,986.36 = 117,581.50/x - Step 3: Cross multiply
130,203.24x = 194,986.36 × 117,581.50 - Step 4: Simplify right side
130,203.24x = 22,926,788,688.34 - Step 5: Solve for x
x = 22,926,788,688.34/130,203.24 - Step 6: Final answer
x = 176,084.62
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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.