Finding the Fourth Proportional to 102,309.21, 141,193.80 and 62,024.67
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Solution
The fourth proportional to 102,309.21, 141,193.80 and 62,024.67 is: 85,598.34
Step by Step Solution
- Step 1: Write the proportion equation
102,309.21 : 141,193.80 = 62,024.67 : x - Step 2: Convert to fraction form
102,309.21/141,193.80 = 62,024.67/x - Step 3: Cross multiply
102,309.21x = 141,193.80 × 62,024.67 - Step 4: Simplify right side
102,309.21x = 8,757,498,851.05 - Step 5: Solve for x
x = 8,757,498,851.05/102,309.21 - Step 6: Final answer
x = 85,598.34
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.