Finding the Fourth Proportional to 113,707.95, 169,719.76 and 106,703.79
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Solution
The fourth proportional to 113,707.95, 169,719.76 and 106,703.79 is: 159,265.39
Step by Step Solution
- Step 1: Write the proportion equation
113,707.95 : 169,719.76 = 106,703.79 : x - Step 2: Convert to fraction form
113,707.95/169,719.76 = 106,703.79/x - Step 3: Cross multiply
113,707.95x = 169,719.76 × 106,703.79 - Step 4: Simplify right side
113,707.95x = 18,109,741,363.13 - Step 5: Solve for x
x = 18,109,741,363.13/113,707.95 - Step 6: Final answer
x = 159,265.39
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.