Finding the Fourth Proportional to 102,534.67, 141,507.60 and 62,239.18
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Solution
The fourth proportional to 102,534.67, 141,507.60 and 62,239.18 is: 85,895.99
Step by Step Solution
- Step 1: Write the proportion equation
102,534.67 : 141,507.60 = 62,239.18 : x - Step 2: Convert to fraction form
102,534.67/141,507.60 = 62,239.18/x - Step 3: Cross multiply
102,534.67x = 141,507.60 × 62,239.18 - Step 4: Simplify right side
102,534.67x = 8,807,316,987.77 - Step 5: Solve for x
x = 8,807,316,987.77/102,534.67 - Step 6: Final answer
x = 85,895.99
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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.