Finding the Fourth Proportional to 102,207.08, 141,035.28 and 59,200.53
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Solution
The fourth proportional to 102,207.08, 141,035.28 and 59,200.53 is: 81,690.66
Step by Step Solution
- Step 1: Write the proportion equation
102,207.08 : 141,035.28 = 59,200.53 : x - Step 2: Convert to fraction form
102,207.08/141,035.28 = 59,200.53/x - Step 3: Cross multiply
102,207.08x = 141,035.28 × 59,200.53 - Step 4: Simplify right side
102,207.08x = 8,349,363,324.70 - Step 5: Solve for x
x = 8,349,363,324.70/102,207.08 - Step 6: Final answer
x = 81,690.66
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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.