Finding the Fourth Proportional to 97,153.79, 145,218.06 and 84,403.58
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Solution
The fourth proportional to 97,153.79, 145,218.06 and 84,403.58 is: 126,160.02
Step by Step Solution
- Step 1: Write the proportion equation
97,153.79 : 145,218.06 = 84,403.58 : x - Step 2: Convert to fraction form
97,153.79/145,218.06 = 84,403.58/x - Step 3: Cross multiply
97,153.79x = 145,218.06 × 84,403.58 - Step 4: Simplify right side
97,153.79x = 12,256,923,418.56 - Step 5: Solve for x
x = 12,256,923,418.56/97,153.79 - Step 6: Final answer
x = 126,160.02
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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.