Finding the Fourth Proportional to 162,038.76, 243,143.48 and 83,152.99
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Solution
The fourth proportional to 162,038.76, 243,143.48 and 83,152.99 is: 124,773.28
Step by Step Solution
- Step 1: Write the proportion equation
162,038.76 : 243,143.48 = 83,152.99 : x - Step 2: Convert to fraction form
162,038.76/243,143.48 = 83,152.99/x - Step 3: Cross multiply
162,038.76x = 243,143.48 × 83,152.99 - Step 4: Simplify right side
162,038.76x = 20,218,106,793.03 - Step 5: Solve for x
x = 20,218,106,793.03/162,038.76 - Step 6: Final answer
x = 124,773.28
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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.