Finding the Fourth Proportional to 134,829.79, 202,051.92 and 99,010.07
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Solution
The fourth proportional to 134,829.79, 202,051.92 and 99,010.07 is: 148,373.55
Step by Step Solution
- Step 1: Write the proportion equation
134,829.79 : 202,051.92 = 99,010.07 : x - Step 2: Convert to fraction form
134,829.79/202,051.92 = 99,010.07/x - Step 3: Cross multiply
134,829.79x = 202,051.92 × 99,010.07 - Step 4: Simplify right side
134,829.79x = 20,005,174,861.56 - Step 5: Solve for x
x = 20,005,174,861.56/134,829.79 - Step 6: Final answer
x = 148,373.55
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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.