Finding the Fourth Proportional to 102,606.92, 141,599.94 and 64,368.08
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Solution
The fourth proportional to 102,606.92, 141,599.94 and 64,368.08 is: 88,829.45
Step by Step Solution
- Step 1: Write the proportion equation
102,606.92 : 141,599.94 = 64,368.08 : x - Step 2: Convert to fraction form
102,606.92/141,599.94 = 64,368.08/x - Step 3: Cross multiply
102,606.92x = 141,599.94 × 64,368.08 - Step 4: Simplify right side
102,606.92x = 9,114,515,847.53 - Step 5: Solve for x
x = 9,114,515,847.53/102,606.92 - Step 6: Final answer
x = 88,829.45
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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.