Finding the Fourth Proportional to 102,309.68, 141,206.98 and 57,597.68
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Solution
The fourth proportional to 102,309.68, 141,206.98 and 57,597.68 is: 79,495.84
Step by Step Solution
- Step 1: Write the proportion equation
102,309.68 : 141,206.98 = 57,597.68 : x - Step 2: Convert to fraction form
102,309.68/141,206.98 = 57,597.68/x - Step 3: Cross multiply
102,309.68x = 141,206.98 × 57,597.68 - Step 4: Simplify right side
102,309.68x = 8,133,194,447.81 - Step 5: Solve for x
x = 8,133,194,447.81/102,309.68 - Step 6: Final answer
x = 79,495.84
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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.