Finding the Fourth Proportional to 113,074.13, 169,688.95 and 39,202.13
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Solution
The fourth proportional to 113,074.13, 169,688.95 and 39,202.13 is: 58,830.15
Step by Step Solution
- Step 1: Write the proportion equation
113,074.13 : 169,688.95 = 39,202.13 : x - Step 2: Convert to fraction form
113,074.13/169,688.95 = 39,202.13/x - Step 3: Cross multiply
113,074.13x = 169,688.95 × 39,202.13 - Step 4: Simplify right side
113,074.13x = 6,652,167,331.01 - Step 5: Solve for x
x = 6,652,167,331.01/113,074.13 - Step 6: Final answer
x = 58,830.15
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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.