Finding the Fourth Proportional to 103,164.03, 142,313.96 and 67,374.99
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Solution
The fourth proportional to 103,164.03, 142,313.96 and 67,374.99 is: 92,943.27
Step by Step Solution
- Step 1: Write the proportion equation
103,164.03 : 142,313.96 = 67,374.99 : x - Step 2: Convert to fraction form
103,164.03/142,313.96 = 67,374.99/x - Step 3: Cross multiply
103,164.03x = 142,313.96 × 67,374.99 - Step 4: Simplify right side
103,164.03x = 9,588,401,800.30 - Step 5: Solve for x
x = 9,588,401,800.30/103,164.03 - Step 6: Final answer
x = 92,943.27
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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.