Finding the Fourth Proportional to 107,351.20, 161,026.80 and 97,509.70
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Solution
The fourth proportional to 107,351.20, 161,026.80 and 97,509.70 is: 146,264.55
Step by Step Solution
- Step 1: Write the proportion equation
107,351.20 : 161,026.80 = 97,509.70 : x - Step 2: Convert to fraction form
107,351.20/161,026.80 = 97,509.70/x - Step 3: Cross multiply
107,351.20x = 161,026.80 × 97,509.70 - Step 4: Simplify right side
107,351.20x = 15,701,674,959.96 - Step 5: Solve for x
x = 15,701,674,959.96/107,351.20 - Step 6: Final answer
x = 146,264.55
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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.